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: 5
Patent #:
5888943
Issue Dt:
03/30/1999
Application #:
08570623
Filing Dt:
12/11/1995
Inventors:
DAVID DIGGS, MARIE KEARNEY, MARY J. TIMM, ELMER C. LUPTON, LEV BROMBERG, MARA STEIN et al
Title:
DRILLING COMPOSITIONS AND METHODS
Assignment: 1
Reel/Frame:
008537/0718Recorded: 05/23/1997Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
GEL SCIENCES, INC.
Exec Dt:
04/11/1997
Assignee:
BAROID DRILLING FLUIDS, INC.
3000 SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS
Correspondent:
CHOATE, HALL & STEWART
SAM PASTERNACK
EXCHANGE PLACE
53 STATE STREET
BOSTON, MA 02109
Assignment: 2
Reel/Frame:
008538/0152Recorded: 05/23/1997Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
DIGGS, DAVID
Exec Dt:
04/11/1997
KEARNEY, MARIE
Exec Dt:
04/11/1997
TIMM, M.J.
Exec Dt:
04/11/1997
LUPTON, E.C., JR.
Exec Dt:
04/15/1997
BROMBERG, LEV
Exec Dt:
04/11/1997
STEIN, MARA
Exec Dt:
04/11/1997
Assignee:
GEL SCIENCES, INC.
213 BURLINGTON ROAD
BEDFORD, MASSACHUSETTS 01730
Correspondent:
CHOATE, HALL & STEWART
SAM PASTERNACK
EXCHANGE PLACE
53 STATE STREET
BOSTON, MA 02109
Assignment: 3
Reel/Frame:
008772/0248Recorded: 10/31/1997Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
GEL SCIENCES, INC.
Exec Dt:
10/23/1997
Assignee:
BAROID DRILLING FLUIDS, INC.
3000 N. SAM HOUSTON PKWY. EAST
HOUSTON, TEXAS 77032
Correspondent:
BROWNING BUSHMAN
WILLIAM E. JOHNSON, JR.
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:
008966/0952Recorded: 02/05/1998Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
GEL SCIENCES, INC. OF BEDFORD, MASSACHUSETTS
Exec Dt:
10/23/1997
Assignee:
BAROID DRILLING FLUIDS, INC.
3000 SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS
Correspondent:
CHOATE, HALL & STEWART
SAM PASTERNACK
EXCHANGE PLACE
53 STATE STREET
BOSTON, MA 02109
Assignment: 5
Reel/Frame:
013705/0686Recorded: 02/03/2003Pages: 16
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
DRESSER INDUSTRIES, INC. (NOW KNOWN AS DII INDUSTRIES, LLC)
Exec Dt:
01/28/2003
Assignee:
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
CARROLLTON, TEXAS 75006
Correspondent:
HILLIBURTON ENERGY SERVICES, INC.
WILLIAM R. PEOPLES
2601 BELTLINE ROAD
MAIL CODE 1-B-121
CARROLLTON, TX 75006

Search Results as of: 09/23/2024 02:49 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