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 Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 2
Patent #:
Issue Dt:
12/30/1997
Application #:
08642716
Filing Dt:
05/03/1996
Inventors:
ROBERT J. MURPHY JR., JAMES G. ANDERSON
Title:
PRESSURIZED FLUID DENSITY BALANCE
Assignment: 1
Reel/Frame:
008039/0579Recorded: 07/22/1996Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
07/18/1996
Exec Dt:
07/18/1996
Assignee:
3000 N. SAM HOUSTON PKWY. EAST
HOUSTON, TEXAS 77032
Correspondent:
BROWNING BUSHMAN
CARLOS A. TORRES
5718 WESTHEIMER
SUITE 1800
HOUSTON, TEXAS 77057
Assignment: 2
Reel/Frame:
013669/0712Recorded: 01/21/2003Pages: 4
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/27/2002
Assignee:
2601 BELTLINE ROAD
INTELLECTUAL PROPERTY DEPARTMENT
CARROLLTON, TEXAS 75006
Correspondent:
HILLBURTON ENERGY SERVICS, INC.
CAROLYN SUE WALDO
2601 BELTLINE ROAD
MAIL CODE 1-B-121
CARROLLTON, TX 75006

Search Results as of: 06/07/2024 03:50 PM
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