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 : ROSS, WILLIAM C.
Total Assignments: 9
Assignment: 1
Reel/Frame:020424/0775   Pages: 3
Recorded: 01/28/2008
Attorney Dkt #:001001.2007-IP-001260
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROSS, WILLIAM C.
Exec Dt:
01/22/2008
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITYWEST BOULEVARD, BUILDING 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8271244
NONE
12812707
Correspondence name and address
HOWARD L. SPEIGHT
9601 KATY FREEWAY, SUITE 280
HOUSTON, TX 77024
Assignment: 2
Reel/Frame:024675/0069   Pages: 3
Recorded: 07/13/2010
Attorney Dkt #:001002.2007-IP-001260U1US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROSS, WILLIAM C.
Exec Dt:
01/22/2008
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITYWEST BOULEVARD, BUILDING 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8271244
US20100292972
12812707
Correspondence name and address
HOWARD L SPEIGHT
9601 KATY FREEWAY, SUITE 280
HOUSTON, TX 77024
Assignment: 3
Reel/Frame:021342/0212   Pages: 3
Recorded: 08/05/2008
Attorney Dkt #:5460-01701
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROSS, WILLIAM C.
Exec Dt:
07/31/2008
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITWEST BLVD., BLDG. 2
HOUSTON, TEXAS 77042-3051
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8265914
US20090063117
12186225
Correspondence name and address
MEYERTONS, HOOD, KIVLIN, KOWERT & GOETZE
P.O. BOX 398
AUSTIN, TX 78767-0398
Assignment: 4
Reel/Frame:023285/0869   Pages: 3
Recorded: 09/25/2009
Attorney Dkt #:5460-01900
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAGE, ALEXANDER G.
Exec Dt:
09/24/2009
2
SIMONS, WILLIAM B.
Exec Dt:
09/24/2009
3
ROSS, WILLIAM C.
Exec Dt:
09/24/2009
Assignee
1
LANDMARK GRAPHICS CORPORATION
2101 CITYWEST BLVD., BLDG.2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8922558
US20110074766
12567215
Correspondence name and address
MEYERTONS, HOOD, KIVLIN, KOWERT & GOETZE
P.O. BOX 398
AUSTIN, TX 78767-0398
Assignment: 5
Reel/Frame:028058/0168   Pages: 5
Recorded: 04/17/2012
Attorney Dkt #:16689-0009WO1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSS, WILLIAM C.
Exec Dt:
07/18/2011
2
CHAMBERS, RICHARD L.
Exec Dt:
07/18/2011
Assignee
1
LANDMARK GRAPHICS CORPORATION
2101 CITYWEST BOULEVARD,
BUILDING 2
HOUSTON, TEXAS 77042-3021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10921960
NONE
14234108
Correspondence name and address
MATTHEW K. WERNLI
FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 6
Reel/Frame:032012/0728   Pages: 6
Recorded: 01/21/2014
Attorney Dkt #:16689-0009US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSS, WILLIAM C.
Exec Dt:
07/18/2011
2
CHAMBERS, RICHARD L.
Exec Dt:
07/18/2011
Assignee
1
LANDMARK GRAPHICS CORPORATION
2101 CITY WEST BOULEVARD, BUILDING 2
HOUSTON, TEXAS 77042-3021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10921960
US20140223351
14234108
Correspondence name and address
FISH & RICHARDSON P.C.
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 7
Reel/Frame:028528/0920   Pages: 4
Recorded: 07/11/2012
Attorney Dkt #:2149-02900
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSS, WILLIAM C.
Exec Dt:
08/02/2011
2
LANGENWALTER, RICHARD J.
Exec Dt:
08/02/2011
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BLVD., BLDG. 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8593462
US20130222390
13883689
Correspondence name and address
CONLEY ROSE, P.C. MARK E. SCOTT
2508 ASHLEY WORTH BLVD., SUITE 200
AUSTIN, TX 78738
Assignment: 8
Reel/Frame:030390/0650   Pages: 4
Recorded: 05/10/2013
Attorney Dkt #:2149-02903
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSS, WILLIAM C.
Exec Dt:
08/02/2011
2
LANGENWALTER, RICHARD J.
Exec Dt:
08/02/2011
Assignee
1
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BLVD., BLDG. 2
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8593462
US20130222390
13883689
Correspondence name and address
MARK E. SCOTT - CONLEY ROSE, P.C.
2508 ASHLEY WORTH BLVD., SUITE 200
AUSTIN, TX 78738
Assignment: 9
Reel/Frame:045824/0769   Pages: 9
Recorded: 05/16/2018
Attorney Dkt #:061429-1086949
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSS, WILLIAM C.
Exec Dt:
06/15/2017
2
TIEDEMANN, NICHOLAS S.
Exec Dt:
06/15/2017
3
WARD, STEVEN B.
Exec Dt:
07/17/2017
4
SZYMACZAK, ANDRZEJ CZESLAW
Exec Dt:
06/15/2017
5
NELSON, DONALD
Exec Dt:
06/15/2017
6
DAFFIN, THOMAS CHESTER
Exec Dt:
06/15/2017
Assignee
1
LANDMARK GRAPHICS CORPORATION, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210165124
15775646
Correspondence name and address
MARGARET HORTON
1100 PEACHTREE STREET
KILPATRICK TOWNSEND & STOCKTON LLP
ATLANTA, GA 30309

Search Results as of: 05/28/2024 06:25 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