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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : VAN IEPEREN, TACO
Total Assignments: 13
Assignment: 1
Reel/Frame:010058/0794   Pages: 3
Recorded: 06/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/21/1999
Assignee
1
1177 11TH AVENUE, S.W., SUITE 600
CALGARY, ALBERTA, T2R 1K9, CANADA
Property
 
Pat #
Pub #
Intl #
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NONE
09285673
Correspondence name and address
FITZPATRICK, CELLA, HARPER & SCINTO
MARK A WILLIAMSON
30 ROCKEFELLER PLAZA
NEW YORK, NEW YORK 10112-3801
Assignment: 2
Reel/Frame:012434/0957   Pages: 3
Recorded: 01/07/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/01/2001
Assignee
1
SUITE 600, 1177-11TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2R 1
Property
 
Pat #
Pub #
Intl #
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NONE
09966733
Correspondence name and address
KATTEN MUCHIN ZAVIS, PATENT ADMIN.
RICHARD P. BAUER
525 WEST MONROE STREET, STE. 1600
CHICAGO, ILLINOIS 60661-3693
Assignment: 3
Reel/Frame:013050/0636   Pages: 3
Recorded: 07/02/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/07/2002
Assignee
1
SUITE 600
1177-11TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T2R 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10132705
Correspondence name and address
KATTEN MUCHIN ZAVIS ROSENMAN, PAT. ADMIM
RICHARD P. BAUER
525 WEST MONROE STREET, SUITE 1600
CHICAGO, ILLINOIS 60661-3693
Assignment: 4
Reel/Frame:013282/0952   Pages: 4
Recorded: 09/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/20/2002
2
Exec Dt:
06/20/2002
Assignee
1
1177-11TH AVENUE S.W., SUITE 600
CALGARY, ALBERTA, CANADA T2R IK9
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10164307
Correspondence name and address
KATTEN MUCHIN ZAVIS ROSENMAN
JAMES A. GROMADA
525 WEST MONROE STREET, SUITE 1600
CHICAGO, IL 60661-3693
Assignment: 5
Reel/Frame:023887/0686   Pages: 13
Recorded: 02/02/2010
Attorney Dkt #:204694-00133
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2005
2
Exec Dt:
11/21/2005
3
Exec Dt:
09/12/2005
4
Exec Dt:
11/21/2005
5
Exec Dt:
11/21/2005
6
Exec Dt:
09/02/2005
7
Exec Dt:
09/12/2005
8
Exec Dt:
09/28/2005
9
Exec Dt:
11/21/2005
10
Exec Dt:
11/21/2005
Assignee
1
300, 1207 - 11TH AVENUE, S.W.
CALGARY, ALBERTA, CANADA T3C 0M5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11118626
Correspondence name and address
WILADEAN P. JOHNSON
2900 K STREET, N.W.
SUITE 200
WASHINGTON, DC 20007
Assignment: 6
Reel/Frame:018851/0404   Pages: 3
Recorded: 02/05/2007
Attorney Dkt #:204694-00138
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/29/2006
Assignee
1
300, 1207-11 AVENUE S.W.
CALGARY, ALBERTA, CANADA T3C 0M5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11392815
Correspondence name and address
KATTEN MUCHIN ROSENMAN LLP
1025 THOMAS JEFFERSON STREET, N.W.
EAST LOBBY, SUITE 700
WASHINGTON, DC 20007
Assignment: 7
Reel/Frame:022104/0658   Pages: 8
Recorded: 01/14/2009
Attorney Dkt #:204694-00205
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/25/2008
2
Exec Dt:
11/25/2008
3
Exec Dt:
11/25/2008
4
Exec Dt:
11/17/2008
5
Exec Dt:
11/17/2008
6
Exec Dt:
11/17/2008
7
Exec Dt:
11/19/2008
8
Exec Dt:
11/17/2008
Assignee
1
1207 - 11TH AVENUE SW
SUITE 300
CALGARY, ALBERTA, CANADA T3C 0M5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12241030
Correspondence name and address
WILADEAN P. JOHNSON
2900 K STREET, N.W.
SUITE 200
WASHINGTON, DC 20007
Assignment: 8
Reel/Frame:023991/0452   Pages: 3
Recorded: 02/25/2010
Attorney Dkt #:204694-00236
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/04/2010
2
Exec Dt:
02/04/2010
Assignee
1
3636 RESEARCH ROAD NW
CALGARY, CANADA T2L 1Y1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12522844
Correspondence name and address
DEBBIE WARREN
2900 K STREET, N.W., SUITE 200
WASHINGTON, DC 20007-5118
Assignment: 9
Reel/Frame:028394/0205   Pages: 3
Recorded: 06/18/2012
Attorney Dkt #:204694-00605
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/29/2012
Assignee
1
3636 RESEARCH ROAD, N.W.
CALGARY, CANADA T2L 1Y1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13436832
Correspondence name and address
KATTEN MUCHIN ROSENMAN LLP (C/O PATENT A
2900 K STREET NW, SUITE 200
WASHINGTON, DC 20007-5118
Assignment: 10
Reel/Frame:032413/0457   Pages: 4
Recorded: 03/12/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/10/2014
Assignee
1
3636 RESEARCH ROAD, N.W.
CALGARY, CANADA T2L 1Y1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10132705
Correspondence name and address
DEBBIE WARREN
2900 K STREET, N.W., SUITE 200
WASHINGTON, DC 20007-5118
Assignment: 11
Reel/Frame:038336/0316   Pages: 10
Recorded: 04/20/2016
Attorney Dkt #:113265-8047.US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/08/2016
2
Exec Dt:
02/09/2016
3
Exec Dt:
04/20/2016
4
Exec Dt:
02/08/2016
5
Exec Dt:
02/08/2016
Assignee
1
3636 RESEARCH ROAD, N.W.
CALGARY, ALBERTA, CANADA T2L 1Y1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13738355
Correspondence name and address
PERKINS COIE LLP
P.O. BOX 1247
PATENT - SEA
SEATTLE, WA 98111-1247
Assignment: 12
Reel/Frame:038347/0979   Pages: 11
Recorded: 04/21/2016
Attorney Dkt #:113265-8011.US06
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/11/2016
2
Exec Dt:
03/31/2016
3
Exec Dt:
04/08/2016
4
Exec Dt:
03/04/2016
5
Exec Dt:
04/20/2016
6
Exec Dt:
03/07/2016
7
Exec Dt:
03/08/2016
Assignee
1
3636 RESEARCH ROAD, N.W.
CALGARY, ALBERTA, CANADA T2L 1Y1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13670847
Correspondence name and address
PERKINS COIE LLP
P.O. BOX 1247
PATENT - SEA
SEATTLE, WA 98111-1247
Assignment: 13
Reel/Frame:055023/0651   Pages: 3
Recorded: 01/25/2021
Attorney Dkt #:386813-00073
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/13/2021
2
Exec Dt:
01/13/2021
Assignee
1
401 9 AVE SW #1301
CALGARY, CANADA T2P 3C5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16690766
Correspondence name and address
KATTEN MUCHIN ROSENMAN LLP (C/O PATENT A
2900 K STREET NW, SUITE 200
WASHINGTON, DC 20007-5118

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