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Patent Assignment Assignee Details
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Assignee Name : PETRO-CANADA INC.
Total Assignments: 13
Assignment: 1
Reel/Frame:004392/0646   Pages: 3
Recorded: 04/02/1985
Conveyance: ASSIGNMENT OF A PART OF ASSIGNORS INTEREST
Assignor
1
Exec Dt:
01/15/1985
Assignees
1
2400, 639 - 5TH AVENUE SOUTH WEST,
CALGARY, ALBERTA, CANADA T2P 0M9
2
1500, 635 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST
CALGARY, ALVERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945 - 108 STREET
EDMONTON, ALBERTA, CANADA T5K 2G6
6
C/O DOME PETROLEUM LTD.
BOX 200
CALGARY, ALBERTA, CANADA T2P 2H8
7
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 2S5
8
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06719208
Correspondence name and address
ERNEST PETER JOHNSON
508 PRINCIPAL PLAZA
10303 JASPER AVE.
EDMONTON, ALBERTA, CANADA, T5J 3N6
Assignment: 2
Reel/Frame:004407/0957   Pages: 2
Recorded: 05/03/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
03/18/1985
Assignees
1
2400, 639 - 5TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0M9
2
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945 - 108 STREET
EDMONTON, ALBERTA, CANADA T5K 2G6
6
C/O DOME PETROLEUM LTD.
BOX 200
CALGARY, ALBERTA, CANADA T2P 2H8
7
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 2S5
8
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06730173
Correspondence name and address
ERNEST P. JOHNSON
508 PRINCIPAL PLAZA
10303 JASPER AVE.,
EDMONTON, ALBERTA, CANADA, T5J 3N6
Assignment: 3
Reel/Frame:004395/0829   Pages: 2
Recorded: 04/15/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/09/1985
2
Exec Dt:
04/09/1985
Assignees
1
2400, 639-5TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0M9
2
1500, 635 -8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945 - 108 STREET
EDMONTON, ALBERTA, CANADA T5K 2G6
6
C/O DOME PETROLEUM LTD.
BOX 200,
CALGARY, ALBERTA, CANADA T2P 2H8
7
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 2S5
8
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06723301
Correspondence name and address
ERNEST PETER JOHNSON
508 PRINCIPAL PLAZA
10303 JASPER AVE.
EDMONTON, ALBERTA, CANADA T5J 3N6
Assignment: 4
Reel/Frame:004555/0834   Pages: 1
Recorded: 05/22/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
05/05/1986
Assignee
1
150 - 6TH AVENUE S.W.
A CORP. OF CANADA
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06704793
Correspondence name and address
ROGERS, BERESKIN & PARR
P.O. BOX 313, COMMERCE COURT POSTAL STA.
TORONTO, ONTARIO, CANADA M5L 1G1
Assignment: 5
Reel/Frame:004843/0794   Pages: 1
Recorded: 01/10/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/08/1987
2
Exec Dt:
12/08/1987
3
Exec Dt:
12/08/1987
Assignees
1
P.O. BOX 2844, 150-6TH AVENUE S.W.
CALGARY, ALBERTA, CANADA
2
2-3, MARUNOUCHI 2-CHOME, CHIYODA-KU
TOKYO, JAPAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07124558
Correspondence name and address
LEYDIG, VOIT & MAYER
655 FIFTEENTH STREET, N.W.
SUITE 520
WASHINGTON, D.C. 20005
Assignment: 6
Reel/Frame:004841/0475   Pages: 3
Recorded: 12/28/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
12/10/1987
Assignees
1
2400, 639 - 5TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0M9
2
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945 - 108 STREET
EDMONTON, ALBERTA, CANADA T2P 2G6
6
C/O DOME PETROLEUM LTD.
BOX 200
CALGARY, ALBERTA, CANADA T2P 2H8
7
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 2S5
8
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
07138069
 
NONE
07138069
Correspondence name and address
ERNEST PETER JOHNSON
508 PRINCIPAL PLAZA
10303 JASPER AVENUE
EDMONTON, ALBERTA, CANADA, T5J 3N6
Assignment: 7
Reel/Frame:004822/0908   Pages: 3
Recorded: 02/01/1988
Conveyance: ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST
Assignors
1
Exec Dt:
12/24/1987
2
Exec Dt:
12/24/1987
3
Exec Dt:
12/24/1987
Assignees
1
2400, 639 - 5TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0M9
2
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945 - 108 STREET
EDMONTON, ALBERTA, CANADA T5K 2G6
6
BOX 200, CALGARY
ALBERTA, CANADA T2P 2H8
7
BOX 200, CALGARY
ALBERTA, CANADA T2P 2H8
8
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07151011
Correspondence name and address
ERNEST P. JOHNSON
508 PRINCIPAL PLAZA
10303 JASPER AVENUE
EDMONTON, ALBERTA, CANADA T5J 3N6
Assignment: 8
Reel/Frame:005193/0404   Pages: 3
Recorded: 08/19/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/27/1988
Assignees
1
2400, 639 - 5TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0M9
2
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945-108 STREET
EDMONTON, ALBERTA, CANADA T5K 2G6
6
C/O DOME PETROLEUM LTD.
BOX 200
CALGARY, ALBERTA, CANADA T2P 2H8
7
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 2S5
8
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
07233737
 
NONE
07233737
Correspondence name and address
GARY D. FIELDS
1100 WRITERS COMMONS BLDG.
1720 SOUTH BELLAIRE STREET
DENVER, COLORADO 80222
Assignment: 9
Reel/Frame:005586/0788   Pages: 4
Recorded: 01/25/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/21/1990
Assignee
1
5140 YONGE STREET
NORTH YORK, ONTARIO M2N 6L6
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07645919
Correspondence name and address
ROGERS, BERESKIN & PARR
BOX 401
40 KING STREET WEST
TORONTO, ONTARIO, CANADA M5H 3Y2
Assignment: 10
Reel/Frame:005854/0444   Pages: 5
Recorded: 09/06/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/29/1991
2
Exec Dt:
05/29/1991
3
Exec Dt:
05/30/1991
4
Exec Dt:
06/12/1991
5
Exec Dt:
06/12/1991
Assignees
1
2400 1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
2
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945 - 108 STREET
EDMONTON, ALBERTA, CANADA T5K 2G6
6
C/O DOME PETROLEUM LTD.
BOX 200
CALGARY, ALBERTA, CANADA T2P 2H8
7
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 2S5
8
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07755993
Correspondence name and address
MILLEN, WHITE AND ZELANO, P.C.
ARLINGTON COURTHOUSE PLAZA I
SUITE 1201
2200 CLARENDON BOULEVARD
ARLINGTON, VA 22201
Assignment: 11
Reel/Frame:005823/0834   Pages: 3
Recorded: 08/22/1991
Conveyance: ASSIGNS TO EACH ASSIGNEE THE PERCENTAGE INDICATED BESIDE INDIVIDUAL NAMES.
Assignors
1
Exec Dt:
06/19/1991
2
Exec Dt:
06/24/1991
Assignees
1
2400, 639 - 5TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0M9
2
1500, 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA
237 FOURTH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945 - 108 STREET
EDMONTON, ALBERTA, CANADA T5K 2G6
6
C/O DOME PETROLEUM LTD.
BOX 200
CALGARY, ALBERTA, CANADA T2P 2H8
7
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 2S5
8
P. O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07748616
Correspondence name and address
MILLEN, WHITE AND ZELANO
ARLINGTON COURTHOUSE PLAZA 1, STE. 1201
2200 CLARENDON BLVD.,
ARLINGTON, VA 22201
Assignment: 12
Reel/Frame:007578/0679   Pages: 6
Recorded: 08/11/1995
Conveyance: ASSIGNORS ASSIGNS SPECIFIC PERCENTAGES TO EACH SAID ASSIGNEE (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/02/1995
2
Exec Dt:
03/02/1995
Assignees
1
2400, 639 5TH AVENUE, SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0M9
2
1500 635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
3
ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 0H6
4
130 ADELAIDE STREET WEST
TORONTO, ONTARIO, CANADA M5H 3R6
5
1131, 9945 - 108 STREET
EDMONTON, ALBERTA, CANADA T5K 2G6
6
C/O DOME PETROLEUM LTD.
BOX 200
CALGARY, ALBERTA, CANADA T2P 2H8
7
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 2S5
8
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
9
C/O MACLEOD DIXON
CANTERRA TOWER, 3700, 400 - 3 AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 4H2
10
2100, 555 - 4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08443767
Correspondence name and address
JOAN K. KLEIN
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
ARLINGTON COURTHOUSE, PLAZA I
SUITE 1400, 2200 CLARENDON BLVD.
ARLINGTON, VA 22201
Assignment: 13
Reel/Frame:009293/0917   Pages: 5
Recorded: 07/01/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/20/1998
2
Exec Dt:
03/10/1998
3
Exec Dt:
03/10/1998
Assignees
1
3900, 421-7TH AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 4K9
2
1600 GULF CANADA SQUARE, 401-9TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3C5
3
635 - 8 AVENUE SOUTH WEST
CALGARY, ALBERTA, CANADA T2P 3Z1
4
150-9TH AVENUE S.W.
P.O. BOX 2850
CALGARY, ALBERTA, CANADA T2P 3H9
5
401-9TH AVENUE S.W.
P.O. BOX 130
CALGARY, ALBERTA, CANADA T2P 2H7
6
P.O. BOX 2480, STATION M, 237-4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3M9
7
C/O JAPAN CANADA OIL CO., LTD.
2-6, TORANOMON 1-CHOME, MINATO-KU
TOKYO 105, JAPAN
8
2100, 555-4TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3E7
9
150-6TH AVENUE S.W.
P.O. BOX 2844
CALGARY, ALBERTA, CANADA T2P 3E3
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08940966
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
SANDRA FERONY
ARLINGTON COURT PLAZA I
2200 CLARENDON BLVD., SUITE 1400
ARLINGTON, VA 22201

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