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Patent Assignment Assignor Details
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Assignor Name : KOOPER, STEVEN
Total Assignments: 16
Assignment: 1
Reel/Frame:020562/0316   Pages: 7
Recorded: 02/26/2008
Attorney Dkt #:IO-1127US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
02/14/2008
2
KOOPER, STEVEN
Exec Dt:
02/05/2008
3
FESZTHAMMER, ANDRAS
Exec Dt:
02/06/2008
4
CLAYTON, DONALD E.
Exec Dt:
02/06/2008
5
POLK, HENRY T.
Exec Dt:
02/25/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7813222
US20080186806
12023556
Correspondence name and address
PAUL S. MADAN
MADAN MOSSMAN & SRIRAM PC
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5662
Assignment: 2
Reel/Frame:020562/0368   Pages: 7
Recorded: 02/26/2008
Attorney Dkt #:IO-1128US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
02/14/2008
2
KOOPER, STEVEN
Exec Dt:
02/05/2008
3
FESZTHAMMER, ANDRAS
Exec Dt:
02/06/2008
4
CLAYTON, DONALD E.
Exec Dt:
02/06/2008
5
POLK, HENRY T.
Exec Dt:
02/25/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITYWEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8077740
US20080187006
12023725
Correspondence name and address
PAUL S. MADAN
MADAN, MOSSMAN & SRIRAM, P.C.
HOUSTON, TX 77057-5662
Assignment: 3
Reel/Frame:032787/0813   Pages: 7
Recorded: 04/30/2014
Attorney Dkt #:IN-1128-USC
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
02/14/2008
2
KOOPER, STEVEN
Exec Dt:
02/05/2008
3
FESZTHAMMER, ANDRAS
Exec Dt:
02/06/2008
4
CLAYTON, DONALD E.
Exec Dt:
02/06/2008
5
POLK, HENRY T.
Exec Dt:
02/25/2008
Assignee
1
ION GEOPHYSICAL CORPORATION
2105 CITY WEST BOULEVARD, SUITE 400
HOUSTON, TEXAS 77042-2839
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8982810
US20120082003
13324562
Correspondence name and address
MOSSMAN, KUMAR AND TYLER, PC
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 4
Reel/Frame:024356/0204   Pages: 3
Recorded: 05/07/2010
Attorney Dkt #:50299-00012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOOPER, STEVEN
Exec Dt:
04/20/2010
2
ELDER, KEITH
Exec Dt:
04/20/2010
Assignee
1
WIRELESS SEISMIC, INC.
12996 SOMERSET DRIVE
GRASS VALLEY, CALIFORNIA 95945
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8614928
US20110158040
12651125
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE
8055 E. TUFTS AVE.
SUITE 450
DENVER, CO 80237
Assignment: 5
Reel/Frame:031845/0187   Pages: 4
Recorded: 12/24/2013
Attorney Dkt #:50299-00054
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOOPER, STEVEN
Exec Dt:
04/20/2010
2
ELDER, KEITH
Exec Dt:
04/27/2010
Assignee
1
WIRELESS SEISMIC, INC,
12996 SOMERSET DRIVE
GRASS VALLEY, CALIFORNIA 95945
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9140811
US20140362666
14140048
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE
8055 E TUFTS AVENUE
SUITE 450
DENVER, CO 80237
Assignment: 6
Reel/Frame:038615/0247   Pages: 4
Recorded: 05/17/2016
Attorney Dkt #:50299-00065
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOOPER, STEVEN
Exec Dt:
04/20/2010
2
ELDER, KEITH
Exec Dt:
04/27/2010
Assignee
1
WIRELESS SEISMIC, INC.
13100 SOUTHWEST FREEWAY
SUITE 150
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160178770
14860932
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE LLP
8055 E. TUFTS AVE
SUITE 450
DENVER, CO 80237
Assignment: 7
Reel/Frame:024764/0910   Pages: 8
Recorded: 07/30/2010
Attorney Dkt #:50299-00011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEFFA, MIHAI
Exec Dt:
06/15/2010
2
DAY, CALVIN
Exec Dt:
06/04/2010
3
ROSE, KEVIN
Exec Dt:
06/04/2010
4
KOOPER, STEVEN
Exec Dt:
06/04/2010
5
ELDER, KEITH
Exec Dt:
06/04/2010
Assignee
1
WIRELESS SEISMIC, INC.
12996 SOMERSET DRIVE
GRASS VALLEY, CALIFORNIA 95945
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8228757
US20110158047
12651091
Correspondence name and address
JON P. DEPPE
8055 E. TUFTS AVENUE, #450
DENVER, CO 80237
Assignment: 8
Reel/Frame:028439/0541   Pages: 8
Recorded: 06/25/2012
Attorney Dkt #:50299-00042
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEFFA, MIHAI
Exec Dt:
06/15/2010
2
DAY, CALVIN
Exec Dt:
06/04/2010
3
ROSE, KEVIN
Exec Dt:
06/04/2010
4
KOOPER, STEVEN
Exec Dt:
06/04/2010
5
ELDER, KEITH
Exec Dt:
06/04/2010
Assignee
1
WIRELESS SEISMIC, INC.
361 CENTENNIAL PARKWAY
#230
LOUISVILLE, COLORADO 80027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130135968
13532635
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE LLP
8055 EAST TUFTS AVENUE
SUITE 450
DENVER, CO 80237
Assignment: 9
Reel/Frame:025771/0927   Pages: 10
Recorded: 02/08/2011
Attorney Dkt #:50299-00017
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
01/11/2011
2
KOOPER, STEVEN
Exec Dt:
01/11/2011
3
ROSE, KEVIN
Exec Dt:
01/11/2011
4
DAY, CALVIN
Exec Dt:
01/11/2011
5
ELAM, DAVID
Exec Dt:
01/11/2011
6
INGRAM, KIP
Exec Dt:
01/11/2011
7
CRICE, DOUGLAS B
Exec Dt:
01/21/2011
Assignee
1
WIRELESS SEISMIC, INC.
12996 SOMERSET DRIVE
GRASS VALLEY, CALIFORNIA 95945
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8238199
US20110110193
12982416
Correspondence name and address
MARSH FISCHMANN AND BREYFOGLE LLP
8055 EAST TUFTS AVENUE
SUITE 450
DENVER, CO 80237
Assignment: 10
Reel/Frame:028492/0110   Pages: 10
Recorded: 07/05/2012
Attorney Dkt #:50299-00041
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
01/11/2011
2
KOOPER, STEVEN
Exec Dt:
01/11/2011
3
ROSE, KEVIN
Exec Dt:
01/11/2011
4
DAY, CALVIN
Exec Dt:
01/11/2011
5
ELAM, DAVID
Exec Dt:
01/11/2011
6
INGRAM, KIP
Exec Dt:
01/11/2011
7
CRICE, DOUGLAS B.
Exec Dt:
01/21/2011
Assignee
1
WIRELESS SEISMIC, INC.
361 CENTENNIAL PARKWAY
#230
LOUISVILLE, COLORADO 80027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8811117
US20130148469
13541928
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE LLP
8055 E. TUFTS AVE.
SUITE 450
DENVER, CO 80237
Assignment: 11
Reel/Frame:033289/0383   Pages: 10
Recorded: 07/10/2014
Attorney Dkt #:50299-00062
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
01/11/2011
2
KOOPER, STEVEN
Exec Dt:
01/11/2011
3
ROSE, KEVIN
Exec Dt:
01/11/2011
4
DAY, CALVIN
Exec Dt:
01/11/2011
5
ELAM, DAVID
Exec Dt:
01/11/2011
6
INGRAM, KIP
Exec Dt:
01/11/2011
7
CRICE, DOUGLAS B.
Exec Dt:
01/21/2011
Assignee
1
WIRELESS SEISMIC, INC.
12996 SOMERSET DRIVE
GRASS VALLEY, CALIFORNIA 95945
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150124563
14328270
Correspondence name and address
MARSH, FISCHMANN & BREYFOGLE LLP
8055 EAST TUFTS AVENUE
SUITE 450
DENVER, CO 80237
Assignment: 12
Reel/Frame:041969/0038   Pages: 12
Recorded: 04/11/2017
Attorney Dkt #:50299-00069
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
01/11/2011
2
KOOPER, STEVEN
Exec Dt:
01/11/2011
3
ROSE, KEVIN
Exec Dt:
01/11/2011
4
DAY, CALVIN
Exec Dt:
01/11/2011
5
ELAM, DAVID
Exec Dt:
01/11/2011
6
INGRAM, KIP
Exec Dt:
01/11/2011
7
CRICE, DOUGLAS B.
Exec Dt:
04/04/2007
8
BEFFA, MIHAI
Exec Dt:
04/04/2007
Assignee
1
WIRELESS SEISMIC, INC.
13100 SOUTHWEST FREEWAY
SUITE 150
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10761227
US20170357019
15484720
Correspondence name and address
MARSH, FISCHMANN & BREYFOGLE LLP
8055 EAST TUFTS AVENUE
SUITE 450
DENVER, CO 80237
Assignment: 13
Reel/Frame:035807/0380   Pages: 4
Recorded: 06/09/2015
Attorney Dkt #:50299-00063
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
05/15/2015
2
STAIR, JERRY EDWARD
Exec Dt:
05/15/2015
3
WAGER, GARRICK THOMAS
Exec Dt:
06/01/2015
4
KOOPER, STEVEN
Exec Dt:
05/15/2015
5
DICE, JOSHUA
Exec Dt:
06/01/2015
Assignee
1
WIRELESS SEISMIC, INC.
13100 SOUTHWEST FREEWAY
SUITE 150
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10107926
NONE
14699940
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE LLP
8055 EAST TUFTS AVENUE
SUITE 450
DENVER, CO 80237
Assignment: 14
Reel/Frame:053808/0333   Pages: 4
Recorded: 09/17/2020
Attorney Dkt #:230103.1066
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
05/15/2015
2
STAIR, JERRY EDWARD
Exec Dt:
05/15/2015
3
WAGER, GARRICK THOMAS
Exec Dt:
06/01/2015
4
KOOPER, STEVEN
Exec Dt:
05/15/2015
5
DICE, JOSHUA
Exec Dt:
06/01/2015
Assignee
1
WIRELESS SEISMIC, INC.
13100 SOUTHWEST FREEWAY
SUITE 150
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11269095
US20210181361
16442162
Correspondence name and address
DAVIS GRAHAM & STUBBS LLP
1550 17TH ST.
SUITE 500
DENVER, CO 80202
Assignment: 15
Reel/Frame:044420/0023   Pages: 2
Recorded: 12/18/2017
Attorney Dkt #:50299-00050
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KOOPER, STEVEN
Exec Dt:
12/14/2017
Assignee
1
WIRELESS SEISMIC, INC.
13100 SOUTHWEST FREEWAY
SUITE 150
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9841517
US20140269187
14042251
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE LLP
8055 E. TUFTS AVE.
SUITE 450
DENVER, CO 80237
Assignment: 16
Reel/Frame:045285/0841   Pages: 7
Recorded: 03/20/2018
Attorney Dkt #:50299-00071
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELDER, KEITH
Exec Dt:
10/09/2012
2
PROKOP, ANDY
Exec Dt:
10/09/2012
3
KOOPER, STEVEN
Exec Dt:
12/14/2017
Assignee
1
WIRELESS SEISMIC, INC.
13100 SOUTHWEST FREEWAY
SUITE 150
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10241221
US20180231676
15839343
Correspondence name and address
MARSH FISCHMANN & BREYFOGLE LLP
8055 E TUFTS AVE
SUITE 450
DENVER, CO 80237-2837

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