skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : HOLMGREN, DAVID E.
Total Assignments: 8
Assignment: 1
Reel/Frame:014226/0258   Pages: 4
Recorded: 07/01/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/15/2003
2
Exec Dt:
04/30/2003
Assignee
1
1177 11TH AVENUE, S.W., SUITE 600
CALGARY, ALBERTA, CANADA T2R 1K9
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10384783
Correspondence name and address
KATTEN MUCHIN ZAVIS ROSENMAN
RICHARD P. BAUER
PATENT ADMIN.
525 WEST MONROE STREET, SUITE 1600
CHICAGO, IL 60661-3693
Assignment: 2
Reel/Frame:015454/0164   Pages: 5
Recorded: 06/14/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/10/2004
2
Exec Dt:
06/11/2004
3
Exec Dt:
06/11/2004
Assignee
1
1177 11TH AVENUE, S.W., SUITE 600
CALGARY, ALBERTA, CANADA T2R 1K9
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10750219
Correspondence name and address
KATTEN MUCHIN ZAVIS ROSENMAN
RICHARD P. BAUER
PATENT ADMIN.
525 WEST MONROE STREET, SUITE 1600
CHICAGO, ILLINOIS 60661-3693
Assignment: 3
Reel/Frame:015115/0705   Pages: 5
Recorded: 09/09/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/24/2004
2
Exec Dt:
06/24/2004
Assignee
1
300 1207-11 AVENUE S.W.
CALGARY, ALBERTA, CANADA T3C OM5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10838536
Correspondence name and address
KATTEN MUCHIN ZAVIS ROSENMAN
RICHARD P. BAUER
PATENT ADMIN.
525 WEST MONROE STREET, SUITE 1600
CHICAGO, IL 60661-3693
Assignment: 4
Reel/Frame:018203/0814   Pages: 9
Recorded: 09/05/2006
Attorney Dkt #:204694-00139
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/23/2006
2
Exec Dt:
08/23/2006
3
Exec Dt:
08/23/2006
4
Exec Dt:
08/23/2006
5
Exec Dt:
08/23/2006
6
Exec Dt:
08/22/2006
Assignee
1
300, 1207-11 AVENUE S.W.
CALGARY, CANADA T3C 0M5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11420146
Correspondence name and address
DEBBIE WARREN
1025 THOMAS JEFFERSON STREET, N.W.
WASHINGTON, DC 20007-2501
Assignment: 5
Reel/Frame:021863/0075   Pages: 9
Recorded: 11/19/2008
Attorney Dkt #:204694-00204
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/10/2008
2
Exec Dt:
11/12/2008
3
Exec Dt:
11/12/2008
4
Exec Dt:
11/17/2008
5
Exec Dt:
11/12/2008
6
Exec Dt:
11/12/2008
7
Exec Dt:
11/18/2008
Assignee
1
1207 - 11TH AVENUE SW
SUITE 300
CALGARY, ALBERTA, CANADA T3C 0M5
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12240963
Correspondence name and address
WILADEAN P. JOHNSON
2900 K STREET, N.W.
SUITE 200
WASHINGTON, DC 20007
Assignment: 6
Reel/Frame:023290/0414   Pages: 6
Recorded: 09/28/2009
Attorney Dkt #:204694-00238
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/11/2009
2
Exec Dt:
08/07/2009
3
Exec Dt:
08/21/2009
4
Exec Dt:
08/11/2009
5
Exec Dt:
08/17/2009
6
Exec Dt:
08/12/2009
7
Exec Dt:
08/21/2009
Assignee
1
3636 RESEARCH ROAD NW
TORONTO, CANADA T2L 1Y1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12501088
Correspondence name and address
DEBBIE WARREN
2900 STREET, N.W., SUITE 200
WASHINGTON, DC 20007-5118
Assignment: 7
Reel/Frame:024399/0882   Pages: 4
Recorded: 05/18/2010
Attorney Dkt #:204694-00151
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/04/2010
2
Exec Dt:
03/04/2010
Assignee
1
3636 RESEARCH ROAD N.W.
CALGARY, CANADA T2L 1Y1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11773319
Correspondence name and address
DEBBIE WARREN
2900 K STREET, N.W., SUITE 200
WASHINGTON, DC 20007-5118
Assignment: 8
Reel/Frame:025197/0024   Pages: 6
Recorded: 10/26/2010
Attorney Dkt #:204694-00544
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/27/2010
2
Exec Dt:
09/27/2010
3
Exec Dt:
09/27/2010
4
Exec Dt:
09/27/2010
5
Exec Dt:
09/27/2010
6
Exec Dt:
09/27/2010
7
Exec Dt:
10/05/2010
8
Exec Dt:
09/30/2010
Assignee
1
3636 RESEARCH ROAD N.W.
CALGARY, CANADA T2Y 1Y1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12834734
Correspondence name and address
KATTEN MUCHIN ROSENMAN LLP (C/O PATENT A
2900 K STREET NW, SUITE 200
WASHINGTON, DC 20007-5118

Search Results as of: 05/12/2024 10:24 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT