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Patent Assignment Assignee Details
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Assignee Name : KEY ENERGY SERVICES, LLC
Total Assignments: 26
Assignment: 1
Reel/Frame:024505/0957   Pages: 10
Recorded: 06/10/2010
Attorney Dkt #:08876.105061
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/01/2010
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08044187
 
NONE
08266011
 
NONE
08506955
 
NONE
08623041
 
NONE
09058477
 
NONE
09200490
 
NONE
09281864
 
NONE
09342564
 
NONE
09533511
 
NONE
09534599
 
NONE
09534601
 
NONE
09535239
 
NONE
09535555
 
NONE
09566166
 
NONE
09620580
 
NONE
09768551
 
09838857
 
09839444
 
09945924
 
10046688
 
10113609
 
10263630
 
10292715
 
10389026
 
10440633
 
10760650
 
10778835
 
10778846
 
10818575
 
10826783
 
10925813
 
10942730
 
10957309
 
11066576
 
11161185
 
11516105
 
11516153
 
11517919
 
11517920
 
NONE
11518701
 
11690483
 
11690904
 
11691031
 
11691163
 
11691219
 
11827052
 
11850391
 
11850398
 
11850405
 
12627529
 
12627542
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA ST.
SUITE 400 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:024513/0927   Pages: 12
Recorded: 06/10/2010
Attorney Dkt #:08876.105061
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/01/2010
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12685549
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:035318/0858   Pages: 10
Recorded: 04/02/2015
Attorney Dkt #:08876.105074 DIV US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/01/2010
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14050197
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 4
Reel/Frame:025590/0062   Pages: 10
Recorded: 01/05/2011
Attorney Dkt #:2912-00202
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/28/2010
Assignee
1
1301 MCKINNEY
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12658226
Correspondence name and address
MATTHEW R. MOSCICKI
CONLEY ROSE, P.C.
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 5
Reel/Frame:025586/0410   Pages: 10
Recorded: 01/05/2011
Attorney Dkt #:2912-00201
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/31/2010
Assignee
1
1301 MCKINNEY
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12592026
Correspondence name and address
MATTHEW R. MOSCICKI
CONLEY ROSE, P.C.
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 6
Reel/Frame:027121/0762   Pages: 7
Recorded: 10/26/2011
Attorney Dkt #:08876.105079
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/15/2011
2
Exec Dt:
06/15/2011
3
Exec Dt:
06/14/2011
4
Exec Dt:
06/15/2011
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13161736
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 7
Reel/Frame:027499/0818   Pages: 4
Recorded: 01/09/2012
Attorney Dkt #:08876.105082
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/27/2011
2
Exec Dt:
10/27/2011
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13283473
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 8
Reel/Frame:042638/0542   Pages: 4
Recorded: 06/07/2017
Attorney Dkt #:08876.105082 DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/27/2011
2
Exec Dt:
10/27/2011
Assignee
1
1301 MCKINNEY
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
15439192
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREE T
SUITE 4000
HOUSTON, TX 77002
Assignment: 9
Reel/Frame:029067/0395   Pages: 3
Recorded: 09/27/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/05/2012
2
Exec Dt:
04/05/2012
Assignee
1
1301 MCKINNEY STREET - SUITE 1800
HOUSTON, TEXAS U.S.A. 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13506227
Correspondence name and address
KEITH B. WILLHELM
351 NORTH POST OAK LANE - SUITE 712
HOUSTON, TEXAS 77024
Assignment: 10
Reel/Frame:028483/0868   Pages: 12
Recorded: 07/03/2012
Attorney Dkt #:2912-00800
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/28/2012
2
Exec Dt:
06/14/2012
3
Exec Dt:
05/25/2012
Assignee
1
1301 MCKINNEY, SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13250896
Correspondence name and address
MATTHEW R. MOSCICKI
CONLEY ROSE, P.C.
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 11
Reel/Frame:029296/0386   Pages: 5
Recorded: 11/14/2012
Attorney Dkt #:08876.105058 DIV1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/14/2012
Assignee
1
1301 MCKINNEY
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13051590
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 12
Reel/Frame:030102/0854   Pages: 3
Recorded: 03/09/2013
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/05/2013
2
Exec Dt:
03/05/2013
Assignee
1
1301 MCKINNEY STREET - SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13815526
Correspondence name and address
KEITH B. WILLHELM
ATTORNEY AT LAW
351 N. POST OAK LANE - SUITE 712
HOUSTON, TEXAS 77024
Assignment: 13
Reel/Frame:032952/0816   Pages: 7
Recorded: 05/22/2014
Attorney Dkt #:08876.105100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2013
2
Exec Dt:
11/20/2013
3
Exec Dt:
11/25/2013
4
Exec Dt:
11/20/2013
5
Exec Dt:
11/20/2013
6
Exec Dt:
11/20/2013
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14083978
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 14
Reel/Frame:032952/0859   Pages: 7
Recorded: 05/22/2014
Attorney Dkt #:08876.1050101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2013
2
Exec Dt:
11/20/2013
3
Exec Dt:
11/25/2013
4
Exec Dt:
11/20/2013
5
Exec Dt:
11/20/2013
6
Exec Dt:
11/20/2013
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14083996
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 15
Reel/Frame:032952/0917   Pages: 7
Recorded: 05/22/2014
Attorney Dkt #:08876.105102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2013
2
Exec Dt:
11/20/2013
3
Exec Dt:
11/25/2013
4
Exec Dt:
11/20/2013
5
Exec Dt:
11/20/2013
6
Exec Dt:
11/20/2013
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14084017
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 16
Reel/Frame:032952/0956   Pages: 7
Recorded: 05/22/2014
Attorney Dkt #:08876.105103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2013
2
Exec Dt:
11/20/2013
3
Exec Dt:
11/25/2013
4
Exec Dt:
11/20/2013
5
Exec Dt:
11/20/2013
6
Exec Dt:
11/20/2013
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14084040
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 17
Reel/Frame:032953/0071   Pages: 7
Recorded: 05/22/2014
Attorney Dkt #:08876.105104
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2013
2
Exec Dt:
11/20/2013
3
Exec Dt:
11/25/2013
4
Exec Dt:
11/20/2013
5
Exec Dt:
11/25/2013
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14084089
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 18
Reel/Frame:032953/0117   Pages: 7
Recorded: 05/22/2014
Attorney Dkt #:08876.105105
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2013
2
Exec Dt:
11/20/2013
3
Exec Dt:
11/25/2013
4
Exec Dt:
11/20/2013
5
Exec Dt:
11/20/2013
6
Exec Dt:
11/25/2013
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14084206
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 19
Reel/Frame:042276/0419   Pages: 7
Recorded: 05/08/2017
Attorney Dkt #:08876.105104 US DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2013
2
Exec Dt:
11/20/2013
3
Exec Dt:
11/25/2013
4
Exec Dt:
11/20/2013
5
Exec Dt:
11/25/2013
6
Exec Dt:
11/25/2013
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
15478801
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000
HOUSTON, TX 77002
Assignment: 20
Reel/Frame:034559/0202   Pages: 6
Recorded: 12/19/2014
Attorney Dkt #:08876.105104 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/25/2013
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14084089
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 21
Reel/Frame:035962/0342   Pages: 7
Recorded: 06/24/2015
Attorney Dkt #:08876.105096 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/04/2014
2
Exec Dt:
02/06/2014
3
Exec Dt:
02/06/2014
4
Exec Dt:
02/06/2014
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14172637
Correspondence name and address
KING & SPALDING LLP
1100 LOUISIANA STREET
SUITE 4000 IP DEPARTMENT
HOUSTON, TX 77002
Assignment: 22
Reel/Frame:040996/0899   Pages: 12
Recorded: 12/16/2016
Attorney Dkt #:F167254
Conveyance: RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/15/2015
Assignee
1
1301 MCKINNEY STREET, SUITE 1800
HOUSTON, TEXAS 77010
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08506955
 
NONE
08623041
 
NONE
09058477
 
NONE
09200490
 
NONE
09281864
 
NONE
09342564
 
NONE
09533511
 
NONE
09534599
 
NONE
09534601
 
NONE
09535239
 
NONE
09535555
 
NONE
09566166
 
NONE
09620580
 
NONE
09768551
 
09838857
 
09839444
 
09945924
 
10046688
 
10113609
 
10263630
 
10292715
 
10389026
 
10440633
 
10760650
 
10778835
 
10778846
 
10818575
 
10826783
 
10925813
 
10942730
 
10957309
 
11066576
 
11161185
 
11516105
 
11516153
 
11517919
 
11517920
 
11690483
 
11690904
 
11691031
 
11691163
 
11691219
 
11827052
 
11850391
 
11850398
 
11850405
 
12592026
 
12627529
 
12627542
 
12658226
 
13051590
 
13161736
 
NONE
13283473
 
13815526
 
14050197
 
14083978
 
14083996
 
14084017
 
14084040
 
14084089
 
14084206
Correspondence name and address
JOANNA MCCALL
1025 VERMONT AVE NW, SUITE 1130
NATIONAL CORPORATE RESEARCH, LTD
WASHINGTON, DC 20005
Assignment: 23
Reel/Frame:037903/0296   Pages: 4
Recorded: 02/24/2016
Conveyance: RELEASE OF SECURITY INTEREST IN PATENTS
Assignor
1
Exec Dt:
02/24/2016
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
12592026
 
12658226
Correspondence name and address
LINDA R. KASTNER, C/O LATHAM & WATKINS
330 N. WABASH AVENUE
SUITE 2800
CHICAGO, IL 60611
Assignment: 24
Reel/Frame:038123/0932   Pages: 4
Recorded: 03/29/2016
Attorney Dkt #:KEY502-10000
Conveyance: RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/28/2016
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
12592026
 
12658226
Correspondence name and address
SEAN M. HILL
1001 FANNIN STREET, SUITE 2500
VINSON & ELKINS LLP
HOUSTON, TX 77002
Assignment: 25
Reel/Frame:038299/0018   Pages: 4
Recorded: 03/29/2016
Conveyance: RELEASE OF SECURITY INTEREST IN SPECIFIED PATENTS AND TRADEMARKS
Assignor
1
Exec Dt:
03/28/2016
Assignee
1
1301 MCKINNEY STREET
SUITE 1800
HOUSTON, TEXAS 77010
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
12592026
 
12658226
Correspondence name and address
LINDA R. KASTNER, C/O LATHAM & WATKINS
330 N. WABASH AVENUE
SUITE 2800
CHICAGO, IL 60611
Assignment: 26
Reel/Frame:040995/0825   Pages: 12
Recorded: 12/15/2016
Attorney Dkt #:049268-0074
Conveyance: RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/15/2016
Assignee
1
1301 MCKINNEY STREET, SUITE 1800
HOUSTON, TEXAS 77010
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08506955
 
NONE
08623041
 
NONE
09058477
 
NONE
09200490
 
NONE
09281864
 
NONE
09342564
 
NONE
09533511
 
NONE
09534599
 
NONE
09534601
 
NONE
09535239
 
NONE
09535555
 
NONE
09566166
 
NONE
09620580
 
NONE
09768551
 
09838857
 
09839444
 
09945924
 
10046688
 
10113609
 
10263630
 
10292715
 
10389026
 
10440633
 
10760650
 
10778835
 
10778846
 
10818575
 
10826783
 
10925813
 
10942730
 
10957309
 
11066576
 
11161185
 
11516105
 
11516153
 
11517919
 
11517920
 
11690483
 
11690904
 
11691031
 
11691163
 
11691219
 
11827052
 
11850391
 
11850398
 
11850405
 
12592026
 
12627529
 
12627542
 
12658226
 
13051590
 
13161736
 
NONE
13283473
 
13815526
 
14050197
 
14083978
 
14083996
 
14084017
 
14084040
 
14084089
 
14084206
Correspondence name and address
ZEYNEP GIESEKE
330 N. WABASH AVENUE, SUITE 2800
LATHAM & WATKINS LLP
CHICAGO, IL 60611

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