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Patent Assignment Assignee Details
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Assignee Name : PETRO-CANADA
Total Assignments: 41
Assignment: 1
Reel/Frame:006772/0288   Pages: 3
Recorded: 11/19/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLEVINSKY, BRUCE
Exec Dt:
07/26/1993
Assignee
1
PETRO-CANADA
150-6 AVENUE S.W. P.O. BOX 2844
CALGARY, ALBERTA, T2P 3E3, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5548563
NONE
08124054
Correspondence name and address
JOAN K. KLEIN
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
ARLINGTON COURTHOUSE PLAZA, 1
2200 CLARENDON BOULEVARD, STE. 1400
ARLINGTON, VA 22201
Assignment: 2
Reel/Frame:007485/0304   Pages: 2
Recorded: 05/10/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BROUDY, CHARLES E.
Exec Dt:
02/01/1995
Assignee
1
PETRO-CANADA
CALGARY
150-6TH AVENUE S.W.
ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D391646
NONE
29038639
Correspondence name and address
PAUL DEVINSKY, ESQ.
WILLIAN BRINKS HOFER GILSON & LIONE
2000 K STREET, N.W., STE. 200
WASHINGTON, D.C. 20006-1809
Assignment: 3
Reel/Frame:007485/0306   Pages: 2
Recorded: 05/10/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BROUDY, CHARLES E.
Exec Dt:
02/10/1995
Assignee
1
PETRO-CANADA
150-6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D382070
NONE
29038640
Correspondence name and address
WILLIAN BRINKS HOFER, ET AL
PAUL DEVINSKY
2000 K STREET, N.W., STE. 200
WASHINGTON, DC 20006-1809
Domestic representative
N
Assignment: 4
Reel/Frame:007948/0918   Pages: 3
Recorded: 03/19/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BENHAM, N. KELLY
Exec Dt:
01/19/1996
2
PRUDEN, BARRY B.
Exec Dt:
01/19/1996
3
ROY, MICHEL
Exec Dt:
01/26/1996
Assignee
1
PETRO-CANADA
P.O. BOX 2844,
PROCESS & TECHNOLOGY/2756 PCCW
CALGARY, ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5755955
NONE
08576334
Correspondence name and address
KIRBY, EADES, GALE, BAKER,
NORRIS M. EADES
BOX 3432, STN. D,
OTTAWA, ONTARIO, CANADA, K1P 6N9
Assignment: 5
Reel/Frame:008134/0889   Pages: 3
Recorded: 08/15/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAMEL, NABIL I.
Exec Dt:
08/01/1996
2
MILLER, LAVERNE J.
Exec Dt:
08/02/1996
Assignee
1
PETRO-CANADA
50TH FLOOR, 150TH-6TH STREET S.W.
CALGARY, ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5695555
NONE
08660254
Correspondence name and address
BERESKIN & PARR
PHILIP MENDES DA COSTA
BOX 401
40 KING STREET WEST
TORONTO, ONTARIO, CANADA M5H 3Y2
Assignment: 6
Reel/Frame:008183/0463   Pages: 2
Recorded: 10/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SLEVINSKY, BRUCE A.
Exec Dt:
09/18/1996
Assignee
1
PETRO-CANADA
150 - 6 AVENUE, S.W.
CLAGARY, ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5787050
NONE
08689791
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
JUNE COMER
2200 CLARENDON BLVD.
ARLINGTON, COURTHOUSE PLAZA 1, STE. 1400
ARLINGTON, VA 22201
Assignment: 7
Reel/Frame:008560/0130   Pages: 2
Recorded: 06/27/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BENHAM, N. KELLY
Exec Dt:
04/25/1997
2
PRUDEN, BARRY B.
Exec Dt:
04/25/1997
Assignee
1
PETRO-CANADA
150-6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5972202
NONE
08816383
Correspondence name and address
KIRBY, EADES ET AL.
KIMBERLEY A. LACHAINE
BOX 3432, STN. D
OTTAWA, ONTARIO
CANADA K1P 6N9
Assignment: 8
Reel/Frame:009024/0252   Pages: 6
Recorded: 02/23/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALLCOCK, GEOFF
Exec Dt:
08/14/1997
2
SIY, ROBERT
Exec Dt:
08/15/1997
3
SPENCE, JONATHAN
Exec Dt:
08/15/1997
4
SURY, KEN
Exec Dt:
08/13/1997
Assignees
1
ALBERTA ENERGY COMPANY LTD.
#3900, 421-7TH AVENUE SOUTH WEST
CALGARY, ALBERTA T2P 4K9, CANADA
2
AEC OIL SANDS LIMITED PARTNERSHIP
#3900, 421-7TH AVENUE SOUTH WEST
CALGARY, ALBERTA T2P 4K9, CANADA
3
ATHABASCA OIL SANDS INVESTMENTS INC.
1600 GULF CANADA SQUARE, 401-9TH AVENUE S.W.
CALGARY, ALBERTA T2P 3C5, CANADA
4
CANADIAN OCCIDENTAL PETROLEUM LTD.
1500, 635-8 AVENUE SOUTH WEST
CALGARY, ALBERTA, T2P 3Z1, CANADA
5
CANADIAN OIL SANDS INVESTMENTS INC.
P.O. BOX 2850, 150 - 9TH AVENUE, S.W.
CALGARY, ALBERTA, T2P 3H9, CANADA
6
GULF CANADA RESOURCES LIMITED
P.O. BOX 130, 401 - 9TH AVENUE S.W.
CALGARY, ALBERTA T2P 2H7, CANADA
7
IMPERIAL OIL RESOURCES
P.O. BOX 2480, STATION M, 237 - 4TH AVENUE, S.W.
CALGARY, ALBERTA T2P 3M9, CANADA
8
MOCAL ENERGY LIMITED
C/O JAPAN CANADA OIL CO., LTD.
3-8-1, KASUMIGASEKI, CHIYODA-KU
TOKYO 100, JAPAN
9
MURPHY OIL COMPANY LTD.
2100, 555 - 4TH AVENUE, S.W.
CALGARY, ALBERTA T2P 3Y3, CANADA
10
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE, S.W.
CALGARY, ALBERTA T2P 3E3, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5794532
NONE
08942283
Correspondence name and address
MILLEN, WHITE, ET AL.
I. WILLIAM MILLEN
ARLINGTON COURT PLAZA 1
2200 CLARENDON BLVD., SUITE 1400
ARLINGTON, VA 22201
Assignment: 9
Reel/Frame:008764/0940   Pages: 3
Recorded: 10/15/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PIKUL, NORMAN JOHN
Exec Dt:
10/09/1997
Assignee
1
PETRO-CANADA
150-6TH AVENUE S.W.
CALGARY ALBERTA T2P 3E3, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D399750
NONE
29078013
Correspondence name and address
BERESKIN & PARR
ROBIN L.A. COSTER
BOX 401, 40 KING STREET WEST
TORONTO, ONTARIO CANADA M5H 3Y2
Assignment: 10
Reel/Frame:008764/0961   Pages: 3
Recorded: 10/15/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PIKUL, NORMAN JOHN
Exec Dt:
10/09/1997
Assignee
1
PETRO-CANADA
150-6TH AVENUE S.W.
CALGARY ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D398850
NONE
29078011
Correspondence name and address
BERESKIN & PARR
ROBIN L.A. COSTER
BOX 401, 40 KING STREET WEST
TORONTO, ONTARIO CANADA M5H 3Y2
Assignment: 11
Reel/Frame:009055/0050   Pages: 3
Recorded: 03/06/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BENHAM, KELLY N.
Exec Dt:
02/20/1998
2
PRUDEN, BARRY B.
Exec Dt:
02/20/1998
3
ROY, MICHEL
Exec Dt:
02/24/1998
Assignee
1
PETRO-CANADA
P.O BOX 2844
PROCESS & TECHNOLOGY/2756 PCC
CALGARY, ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6004453
NONE
09035915
Correspondence name and address
KIRBY EADES GALE BAKER
NORRIS M. EADES
BOX 3432, STN. D
OTTAWA, ONTARIO
CANADA K1P 6N9
Assignment: 12
Reel/Frame:009198/0969   Pages: 7
Recorded: 05/19/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BASE, TERENCE E.
Exec Dt:
04/27/1998
2
CHAN, EDWARD W.
Exec Dt:
04/28/1998
3
KENNETT, R. DOUGLAS
Exec Dt:
05/01/1998
4
EMBERLEY, DOUGLAS A.
Exec Dt:
05/07/1998
Assignees
1
AEC OIL SANDS, L.P.
#3900, 421 - 7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
2
AEC OIL SANDS LIMITED PARTNERSHIP
#3900, 421 - 7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
3
ATHABASCA OIL SANDS INVESTMENTS INC.
1600 GULF CANADA SQUARE
401 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3C5
4
CANADIAN OCCIDENTAL PETROLEUM LTD.
635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
5
CANADIAN OIL SANDS INVESTMENTS INC.
P.O. BOX 2850
150 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3H9
6
GULF CANADA RESOURCES LIMITED
P.O. BOX 130
401 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 2H7
7
IMPERIAL OIL RESOURCES
P.O. BOX 2480
STATION M, 237 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3M9
8
MOCAL ENERGY LIMITED
C/O JAPAN CANADA OIL CO., LTD.
2-6, TORANOMON 1-CHOME, MINATO-KU
TOKYO 105, JAPAN
9
MURPHY OIL COMPANY LTD.
2100, 555 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E7
10
PETRO-CANADA
P.O. BOX 2844
150 - 5TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6003789
NONE
08990748
Correspondence name and address
MILLEN WHITE ZELANO & BRANIGAN, P.C.
I. WILLIAM MILLEN
SUITE 1400, ARLINGTON COURT PLAZA I
2200 CLARENDON BLVD.
ARLINGTON, VA 22201
Assignment: 13
Reel/Frame:009587/0956   Pages: 4
Recorded: 11/16/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CYMERMAN, GEORGE
Exec Dt:
08/26/1998
2
MACIEJEWSKI, WALDEMAR
Exec Dt:
08/26/1998
Assignees
1
AEC OIL SANDS, L.P.
3900, 421 - 7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
2
AEC OIL SANDS LIMITED PARTNERSHIP
#3900, 421 - 7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
3
ATHABASCA OIL SANDS INVESTMENTS, INC.
1600 GULF CANADA SQUARE, 401 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 2H7
4
CANADIAN OCCIDENTAL PETROLEUM LTD.
1500, 638 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
5
CANADIAN OIL SANDS INVESTMENTS, INC.
P.O. BOX 2850, 150 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 2S5
6
GULF CANADA RESOURCES LIMITED
P.O. BOX 130, 401 - 9TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 2H7
7
IMPERIAL OIL RESOURCES
P.O. BOX 2480, STATION M, 237-4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3M9
8
MOCAL ENERGY LIMITED
C/O JAPAN CANADA OIL CO., LTD.
2-6, TORANOMON
MINATO-KU, TOKYO 105, JAPAN
9
MURPHY OIL COMPANY, LTD.
2100, 555 - 4TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 3Y3
10
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6119870
NONE
09150083
Correspondence name and address
MILLEN, WHITE, ZELANO ETAL P.C.
I. WILLIAM MILLEN
ARLINGTON COURT PLAZA I, SUITE 1400
2200 CLARENDON BLVD.
ARLINGTON, VA 22201
Assignment: 14
Reel/Frame:010269/0772   Pages: 18
Recorded: 09/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, WAYNE
Exec Dt:
07/14/1999
2
BARA, BARRY
Exec Dt:
08/03/1999
3
DENTON, RODNEY
Exec Dt:
08/16/1999
Assignees
1
AEC OIL SANDS, L.P.
3900, 421 AVENUE SOUTH WEST
CALGARY, ALBERT, CANADA T2P 4K9
2
AEC OIL SANDS LIMITED PARTNERSHIP
3900, 421-7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
3
ATHABASCA OIL SANDS INVESTMENTS INC.
1600 GULF CANADA SQUARE
401 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 2H7
4
CANADIAN OCCIDENTAL PETROLEUM LTD.
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
5
CANADIAN OIL SANDS INVESTMENTS INC.
P.O. BOX 2850
150 - 9TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 2S5
6
GULF CANADA RESOURCES LIMITED
P.O. BOX 130
401 - 9TH AVENUE, S.W
CALGARY, ALBERTA, CANADA T2P 2H7
7
IMPERIAL OIL RESOURCES
P.O. BOX 2480
STATION M, 237 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3M9
8
MOCAL ENERGY LIMITED
C/O JAPAN CANADA OIL CO., LTD
2-6, TORANOMON 1-CHOME
MINATO-KU, TOKYO 105, JAPAN
9
MURPHY OIL COMPANY LIMITED
2100, 555 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3Y3
10
PETRO-CANADA
P.O. BOX 2844
150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6358403
NONE
09316002
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
PAMELA D. RICHARDSON
2200 CLARENDON BLVD.
SUITE 1400
ARLINGTON, VA 22201
Assignment: 15
Reel/Frame:010384/0162   Pages: 7
Recorded: 11/17/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, WAYNE
Exec Dt:
07/23/1999
2
PORTWOOD, MICHELLE
Exec Dt:
07/06/1999
3
KING, FRAN
Exec Dt:
07/20/1999
4
BARA, BARRY
Exec Dt:
07/06/1999
5
WAGNER, MICHAEL
Exec Dt:
06/29/1999
Assignees
1
AEC OIL SANDS, L.P.
#3900, 421 - 7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
2
AEC OIL SANDS LIMITED PARTNERSHIP
#3900, 421 - 7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
3
ATHABASCA OIL SANDS INVESTMENTS INC.
1600 GULF CANADA SQUARE, 401 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3H9
4
CANADIAN OCCIDENTAL PETROLEUM, LTD.
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
5
CANADIAN OIL SANDS INVESTMENTS INC.
P.O. BOX 2850
150 - 9TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 2S5
6
GULF CANADA RESOURCES LIMITED
P.O. BOX 130
401 - 9TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 2H7
7
IMPERIAL OIL RESOURCES
P.O. BOX 2480, STATION M
237 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3M9
8
MOCAL ENERGY LIMITED
C/O JAPAN CANADA OIL CO., LTD.
2-6, TORANOMON 1-CHOME
MINATO-KU, TOKYO 105, JAPAN
9
MURPHY OIL COMPANY LIMITED
2100, 555 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3Y3
10
PETRO-CANADA
P.O. BOX 2844
150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6358404
NONE
09316006
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
PAMELA D. RICHARDSON
ARLINGTON COURT PLAZA I, SUITE 1400
2200 CLARENDON BLVD.
ARLINGTON, VA 22201
Assignment: 16
Reel/Frame:010302/0920   Pages: 7
Recorded: 10/13/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEIMAN, OWEN
Exec Dt:
09/14/1999
2
SURY, KENNETH
Exec Dt:
09/08/1999
3
JOSEPH, DANIEL D.
Exec Dt:
09/29/1999
4
BAI, RUNYUAN
Exec Dt:
09/29/1999
5
GRANT, CHRISTOPHER
Exec Dt:
09/22/1999
Assignees
1
AEC OIL SANDS, L.P.
3900, 421 - 7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
2
AEC OILS SANDS LIMITED PARTNERSHIP
3900, 421 - 7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
3
ATHABASCA OIL SANDS INVESTMENTS INC.
1600 GULF CANADA SQUARE
401 - 9TH AVENUE S.W
CALGARY, ALBERTA, CANADA T2P 2H7
4
CANADIAN OCCIDENTAL PETROLEUM LTD.
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
5
CANADIAN OIL SANDS INVESTMENTS INC.
P.O. BOX 2850, 150 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3H9
6
GULF CANADA RESOURCES LIMITED
P.O. BOX 130, 401 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 2H7
7
IMPERIAL OIL RESOURCES
P.O. BOX 2480
STATION M, 237 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3M9
8
MOCAL ENERGY LIMITED
C/O JAPAN CANADA OIL CO., LTD.
2-6, TORANOMON 1-CHOME
MINATO-KU, TOKYO 105, JAPAN
9
MURPHY OIL COMPANY LTD.
2100, 555 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3Y3
10
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5988198
NONE
09190019
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
PAMELA D. RICHARDSON
ARLINGTON COURTHOUSE PLAZA I, SUITE 1400
2200 CLARENDON BLVD.
ARLINGTON, VA 22201
Assignment: 17
Reel/Frame:010849/0153   Pages: 4
Recorded: 06/12/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL
Exec Dt:
03/28/2000
2
PIERSON, LORNE
Exec Dt:
04/10/2000
Assignee
1
PETRO-CANADA
2489 NORTH SHERIDAN WAY
MISSISSAUGA, ONTARIO, CANADA L5K 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6410488
NONE
09523519
Correspondence name and address
BERESKIN & PARR
ANDREW I. MCINTOSH
40 KING STREET WEST
SUITE 4000
TORONTO, ONTARIO, CANADA M5H 3Y2
Assignment: 18
Reel/Frame:010781/0536   Pages: 2
Recorded: 05/01/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRUDEN, BARRY B.
Exec Dt:
04/13/2000
2
BENHAM, N. KELLY
Exec Dt:
04/23/2000
Assignee
1
PETRO-CANADA
150-6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6517706
NONE
09561942
Correspondence name and address
KIRBY, EADES, GALE & BAKER
NORRIS M. EADES
BOX 3432, STN. D
OTTAWA, ONTARIO, CANADA
K1P 6N9
Assignment: 19
Reel/Frame:015510/0155   Pages: 3
Recorded: 06/28/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL
Exec Dt:
05/10/2000
2
RUO, TOMOKI
Exec Dt:
05/10/2000
Assignee
1
PETRO-CANADA
2489 NORTH SHERIDAN WAY
MISSISSAUGA, ONTARIO L5K 1A8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6790386
US20020139962
10112858
Correspondence name and address
BERESKIN & PARR
40 KING STREET WEST
TORONTO, ON
M5H 3Y2 CANADA
Assignment: 20
Reel/Frame:011559/0813   Pages: 5
Recorded: 02/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
FEFER, MICHAEL
Exec Dt:
02/09/2001
Assignees
1
PETRO-CANADA
P.O. BOX 2844
A CANADIAN CORPORATION
ALBERTA, CALGARY, CANADA T2P 3
2
PLATTE CHEMICAL COMPANY
P.O. BOX 2844
4687 18TH STREET
GREELEY, COLORADO 80634
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6515031
US20020161057
09783497
Correspondence name and address
HOGAN & HARTSON LLP
CAROL W. BURTON
1200 17TH STREET, SUITE 1500
DENVER, CO 80202
Assignment: 21
Reel/Frame:011914/0744   Pages: 10
Recorded: 06/14/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHUNG, KENG H.
Exec Dt:
04/23/2001
2
FURIMSKY, EDWARD
Exec Dt:
04/26/2001
Assignees
1
AEC OIL SANDS, L.P.
#3900, 421 - 7TH AVENUE SOUTHWEST
CALGARY, ALBERTA, CANADA T2P 4K9
2
AEC OIL SANDS LIMITED PARTNERSHIP
#3900, 421 - 7TH AVENUE SOUTHWEST
CALGARY, ALBERTA, CANADA T2P 4K9
3
ATHABASCA OIL SANDS INVESTMENTS INC.
1600 GULF CANADA SQUARE
401 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 2H7
4
NEXEN INC.
1500, 635 - 8 AVENUE SOUTHWEST
CALGARY, ALBERTA, CANADA T2P 3Z1
5
CANADIAN OIL SANDS INVESTMENTS, INC.
P.O. BOX 2850-9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3H9
6
GULF CANADA RESOURCES LIMITED
P.O. BOX 130
401 - 9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 2H7
7
IMPERIAL OIL RESOURCES
P.O. BOX 2480 STATION M.
237-4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3M
8
MOCAL ENERGY LIMITED
C/O JAPAN CANADA OIL CO., LTD.
2-6 TORANOMON 1-CHOME, MINATO-KU
TOKYO, JAPAN 105
9
MURPHY OIL COMPANY LTD.
2100, 555 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3Y3
10
PETRO-CANADA
P.O. BOX 2844
150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6746596
US20030000868
09879885
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
I. WILLIAM MILLEN
2200 CLARENDON BOULEVARD
SUITE 1400
ARLINGTON, VA 22201
Assignment: 22
Reel/Frame:013192/0039   Pages: 3
Recorded: 08/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REES, MATTHEW J.
Exec Dt:
01/23/2002
2
KHALLAD, ABRAHAM
Exec Dt:
01/08/2002
Assignee
1
PETRO-CANADA
150-6TH AVENUE SW
28TH FLOOR
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6719054
US20030062166
09966129
Correspondence name and address
HALLIBURTON ENERGY SERVICES
ROBERT A. KENT
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 23
Reel/Frame:013773/0105   Pages: 3
Recorded: 07/01/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COHEN, STEPHEN C.
Exec Dt:
06/30/2003
Assignees
1
CROMPTON CORPORATION
BENSON ROAD
MIDDLEBURY, CONNECTICUT 06749
2
PETRO-CANADA
150 6TH AVENUE SOUTH WEST
CALGARY, ALBERTA P2P-3E3, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6663931
US20020034599
09876659
Correspondence name and address
MICHAEL P. DILWORTH
CROMPTON CORPORATION
BENSON ROAD
LAW DEPT.
MIDDLEBURY, CT 06749
Assignment: 24
Reel/Frame:014915/0179   Pages: 2
Recorded: 01/21/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VOSSLER, VERNON
Exec Dt:
01/14/2004
Assignee
1
PETRO-CANADA
150-6TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7048045
US20050155756
10761779
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE LLP
RENE A. PEREYRA, ESQ.
3151 SOUTH VAUGHN WAY, SUITE 411
AURORA, CO 80014
Assignment: 25
Reel/Frame:023790/0478   Pages: 2
Recorded: 01/14/2010
Attorney Dkt #:028040-001400US/ACK
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
FEFER, MICHAEL
Exec Dt:
05/12/2005
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8747874
US20100016447
12563929
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 26
Reel/Frame:031942/0159   Pages: 2
Recorded: 01/10/2014
Attorney Dkt #:18694-0010003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
FEFER, MICHAEL
Exec Dt:
05/12/2005
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9044008
US20130324620
13792745
Correspondence name and address
ANGELA D. FOLLETT
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 27
Reel/Frame:036693/0109   Pages: 2
Recorded: 09/30/2015
Attorney Dkt #:18694-0010004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
FEFER, MICHAEL
Exec Dt:
05/12/2005
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150-6TH AVENUE S.W.
CALGARY, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150237869
14698011
Correspondence name and address
ANGELA D. FOLLETT
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 28
Reel/Frame:039054/0215   Pages: 2
Recorded: 06/30/2016
Attorney Dkt #:18694-0010005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
FEFER, MICHAEL
Exec Dt:
05/12/2005
Assignee
1
PETRO-CANADA
P.O. BOX 2844
150-6TH AVE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160198723
15074919
Correspondence name and address
ANGELA D. FOLLETT
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 29
Reel/Frame:042162/0194   Pages: 2
Recorded: 04/27/2017
Attorney Dkt #:18694-0101006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
FEFER, MICHAEL
Exec Dt:
05/12/2005
Assignee
1
PETRO-CANADA
PO BOX 2844
150-6TH AVE SW
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9999219
US20170223951
15435849
Correspondence name and address
WILLIAM T. SPENCER
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 30
Reel/Frame:018229/0599   Pages: 2
Recorded: 09/11/2006
Attorney Dkt #:2407-006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUNCAN, GRANT
Exec Dt:
07/31/2006
Assignee
1
PETRO-CANADA
150-6TH AVENUE S.W.
P.O. BOX 2844
CALGARY, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8011901
US20080080990
11530848
Correspondence name and address
SEAN W. GOODWIN
602-12TH AVENUE S.W.
SUITE 222
CALGARY, T2R 1J3 CANADA
Assignment: 31
Reel/Frame:023790/0074   Pages: 2
Recorded: 01/14/2010
Attorney Dkt #:028040-000910US/ACK
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUNCAN, GRANT
Exec Dt:
07/31/2006
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8360751
US20080063544
11852052
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 32
Reel/Frame:023789/0863   Pages: 3
Recorded: 01/14/2010
Attorney Dkt #:028040-001100US/ACK
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL
Exec Dt:
09/26/2006
2
LIU, JUN
Exec Dt:
09/26/2006
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9357768
US20080085832
11866157
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 33
Reel/Frame:031960/0406   Pages: 3
Recorded: 01/14/2014
Attorney Dkt #:18694-0009002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL
Exec Dt:
09/26/2006
2
LIU, JUN
Exec Dt:
09/26/2006
Assignee
1
PETRO-CANADA
PO BOX 2844 150-6TH AVE SW
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9801369
US20130303374
13832622
Correspondence name and address
ANGELA D. FOLLETT
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 34
Reel/Frame:044023/0510   Pages: 3
Recorded: 11/02/2017
Attorney Dkt #:18694-0009003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL
Exec Dt:
09/26/2006
2
LIU, JUN
Exec Dt:
09/26/2006
Assignee
1
PETRO-CANADA
PO BOX 2844 150-6TH AVE SW
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180092353
15725968
Correspondence name and address
WILLIAM T. SPENCER
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 35
Reel/Frame:023790/0270   Pages: 3
Recorded: 01/14/2010
Attorney Dkt #:028040-001000US/ACK
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARREYRE, BERNARD G.
Exec Dt:
12/06/2006
2
CAMPBELL, TREVOR
Exec Dt:
12/18/2006
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8413669
US20080121254
11761250
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 36
Reel/Frame:040425/0542   Pages: 3
Recorded: 11/28/2016
Attorney Dkt #:RM-004US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARREYRE, BERNARD G.
Exec Dt:
12/06/2006
2
CAMPBELL, TREVOR
Exec Dt:
12/18/2006
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9474107
US20130200061
13829791
Correspondence name and address
MICHELE GAMBLE
150 - 6TH AVENUE SW
CALGARY, T2P 3E3 CANADA
Assignment: 37
Reel/Frame:023717/0436   Pages: 3
Recorded: 12/30/2009
Attorney Dkt #:028040-001200US/ACK
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARREYRE, BERNARD G.
Exec Dt:
10/29/2008
2
BUNSTON, BRETT
Exec Dt:
10/30/2008
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150 - 6TH AVENUE S.W.
CALGARY, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100108467
12263117
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 38
Reel/Frame:022933/0859   Pages: 5
Recorded: 07/09/2009
Attorney Dkt #:2407-022
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL, MR.
Exec Dt:
06/25/2009
2
LIU, JUN, MS.
Exec Dt:
06/25/2009
3
RUO, TOMOKI, MR.
Exec Dt:
06/24/2009
4
HEVIA, SONIA EDITH, MS.
Exec Dt:
06/25/2009
Assignee
1
PETRO-CANADA
P.O. BOX 2844, 150 - 6 AVENUE SW
CALGARY, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8569210
US20090325922
12492863
Correspondence name and address
GOODWIN MCKAY
602 - 12TH AVENUE S.W., SUITE 222
CALGARY, T2R 1J3 CANADA
Assignment: 39
Reel/Frame:031960/0844   Pages: 5
Recorded: 01/14/2014
Attorney Dkt #:18694-0011002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL
Exec Dt:
06/25/2009
2
LIU, JUN
Exec Dt:
06/25/2009
3
RUO, TOMOKI
Exec Dt:
06/24/2009
4
HEVIA, SONIA EDITH
Exec Dt:
06/25/2009
Assignee
1
PETRO-CANADA
PO BOX 2844 150-6TH AVE SW
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8853128
US20130303580
13832808
Correspondence name and address
ANGELA D. FOLLETT
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 40
Reel/Frame:033702/0223   Pages: 5
Recorded: 09/09/2014
Attorney Dkt #:18694-0011003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL
Exec Dt:
06/25/2009
2
LIU, JUN
Exec Dt:
06/25/2009
3
RUO, TOMOKI
Exec Dt:
06/24/2009
4
HEVIA, SONIA EDITH
Exec Dt:
06/25/2009
Assignee
1
PETRO-CANADA
PO BOX 2844 150-6TH AVE SW
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9485988
US20150065475
14481312
Correspondence name and address
ANGELA D. FOLLETT
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 41
Reel/Frame:042441/0143   Pages: 5
Recorded: 05/19/2017
Attorney Dkt #:18694-0011004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEFER, MICHAEL
Exec Dt:
06/25/2009
2
LIU, JUN
Exec Dt:
06/25/2009
3
RUO, TOMOKI
Exec Dt:
06/24/2009
4
HEVIA, SONIA EDITH
Exec Dt:
06/25/2009
Assignee
1
PETRO-CANADA
PO BOX 2844 150-6TH AVE SW
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9826738
US20170071201
15272147
Correspondence name and address
WILLIAM T. SPENCER
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022

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