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Patent Assignment Assignor Details
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Assignor Name : COLVIN, RICHARD DANIEL
Total Assignments: 8
Assignment: 1
Reel/Frame:014311/0926   Pages: 2
Recorded: 07/18/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLVIN, RICHARD DANIEL
Exec Dt:
07/18/2003
2
MCCOLPIN, GLENN ROBERT
Exec Dt:
07/18/2003
Assignee
1
LANDMARK GRAPHICS CORPORATION, A DIVISION OF HALLIBURTON ENERGY SERVICES, INC.
2101 CITY WEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7096172
US20040153298
10622976
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW, GARRETT &
LLP
1300 I STREET, NW
WASHINGTON, DC 20005
Assignment: 2
Reel/Frame:014324/0546   Pages: 3
Recorded: 07/18/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLVIN, RICHARD DANIEL
Exec Dt:
07/18/2003
2
MCCOLPIN, GLENN ROBERT
Exec Dt:
07/18/2003
Assignee
1
LANDMARK GRAPHICS CORPORATION, A DIVISION OF HALLIBURTON ENERGY SERVICES, INC.
2101 CITY WEST BOULEVARD
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7200540
US20040153299
10623347
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW ET AL.
JOSE A. DUTHIL
1300 I STREET, N.W.
WASHINGTON, DC 20005-3315
Assignment: 3
Reel/Frame:034829/0965   Pages: 4
Recorded: 01/28/2015
Attorney Dkt #:33849-939
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLVIN, RICHARD DANIEL
Exec Dt:
05/07/2012
2
PRATT, DEWAYNE
Exec Dt:
05/02/2012
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BLVD., BLDG. 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10435994
US20150114630
14398909
Correspondence name and address
CRAIN CATON & JAMES
1401 MCKINNEY, SUITE 1700
HOUSTON, TX 77010
Assignment: 4
Reel/Frame:034143/0985   Pages: 7
Recorded: 11/11/2014
Attorney Dkt #:33849-862
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLVIN, RICHARD DANIEL
Exec Dt:
06/01/2012
2
GERMAIN, OLIVIER ROGER
Exec Dt:
06/19/2012
3
WOODARD, PHILIP WILLIAM
Exec Dt:
05/28/2012
4
PRATT, DEWAYNE
Exec Dt:
06/18/2012
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BLVD., BLDG. 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9091145
US20150060060
14389729
Correspondence name and address
CRAIN CATON & JAMES
1401 MCKINNEY, SUITE 1700
HOUSTON, TX 77010
Assignment: 5
Reel/Frame:030792/0059   Pages: 5
Recorded: 07/14/2013
Attorney Dkt #:33849-650
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLVIN, RICHARD DANIEL
Exec Dt:
04/22/2013
2
PRATTT, DEWAYNE EDWARD
Exec Dt:
04/22/2013
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BOULEVARD
BUILDING 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160078378
14112628
Correspondence name and address
CRAIN CATON & JAMES
1401 MCKINNEY, STE. 1700
ATTN: WILLIAM P. JENSEN
HOUSTON, TX 77010
Assignment: 6
Reel/Frame:032700/0451   Pages: 4
Recorded: 04/17/2014
Attorney Dkt #:33849-755
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLVIN, RICHARD DANIEL
Exec Dt:
04/22/2013
2
PRATT, DEWAYNE EDWARD
Exec Dt:
04/22/2013
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BLVD., BLDG. 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160078378
14112628
Correspondence name and address
CRAIN CATON & JAMES
1401 MCKINNEY, SUITE 1700
HOUSTON, TX 77010
Assignment: 7
Reel/Frame:041362/0696   Pages: 5
Recorded: 02/23/2017
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRATT, DEWAYNE
Exec Dt:
06/19/2015
2
COLVIN, RICHARD DANIEL
Exec Dt:
03/19/2015
3
SAMUEL, ROBELLO
Exec Dt:
04/01/2015
Assignee
1
LANDMARK GRAPHICS CORPORATION
10200 BELLAIRE BLVD.
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10147204
US20180122102
14902287
Correspondence name and address
POLSINELLI PC
1000 LOUISIANA STREET
FIFTY-THIRD FLOOR
HOUSTON, TX 77002
Assignment: 8
Reel/Frame:041484/0615   Pages: 5
Recorded: 03/07/2017
Attorney Dkt #:001001.2014-IP-092003 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COLVIN, RICHARD DANIEL
Exec Dt:
06/12/2015
2
PRATT, DEWAYNE EDWARD
Exec Dt:
12/11/2014
3
CROCKETT, STEVEN PAUL
Exec Dt:
10/15/2014
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BOULEVARD, BUILDING 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10570704
US20170284175
15509304
Correspondence name and address
HOWARD L. SPEIGHT, PLLC
12610 TRAIL HOLLOW DRIVE
HOUSTON, TX 77024

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