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: 6
Patent #:
4444281
Issue Dt:
04/24/1984
Application #:
06480560
Filing Dt:
03/30/1983
Inventors:
PERCY W. SCHUMACHER JR., KENNETH W. JONES, HENRY W. MURDOCH, PAUL E. PASTUSEK
Title:
COMBINATION DRAG AND ROLLER CUTTER DRILL BIT
Assignment: 1
Reel/Frame:
004112/0455Recorded: 03/30/1983Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
SCHUMACHER, PERCY W. JR.
Exec Dt:
03/25/1983
JONES, KENNETH W.
Exec Dt:
03/25/1983
MURDOCH, HENRY W.
Exec Dt:
03/25/1983
PASTUSEK, PAUL E.
Exec Dt:
03/25/1983
Assignee:
REED ROCK BIT COMPANY, A CORP. OF TX
HOUSTON, TEXAS
Correspondent:
CARL ROWOLD
REED ROCK BIT CO., P.O. BOX 2119
HOUSTON, TX 77252
Assignment: 2
Reel/Frame:
012463/0126Recorded: 01/09/2002Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
REED ROCK BIT COMPANY
Exec Dt:
05/15/1984
Assignee:
REED TOOL COMPANY
7030 ARDMORE
HOUSTON, TEXAS 77054
Correspondent:
SCHLUMBERGER OILFIELD SERVICES
JEFFREY E. DALY
7211 N. GESSNER
HOUSTON, TEXAS 77040
Assignment: 3
Reel/Frame:
012418/0487Recorded: 01/09/2002Pages: 6
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
REED TOOL COMPANY
Exec Dt:
12/20/1988
Assignee:
CAMCO, INCORPORATED
7030 ARDMORE
HOUSTON, TEXAS 77054
Correspondent:
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 N. GESSNER
HOUSTON, TEXAS 77040
Assignment: 4
Reel/Frame:
012463/0161Recorded: 01/09/2002Pages: 15
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
CAMCO, INCORPORATED
Exec Dt:
12/20/1989
Assignee:
CAMCO INTERNATIONAL INC.
7030 ARDMORE
HOUSTON, TEXAS 77054
Correspondent:
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 N. GESSNER
HOUSTON, TEXAS 77040
Assignment: 5
Reel/Frame:
013417/0342Recorded: 10/24/2002Pages: 8
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
CAMCO INTERNATIONAL INC.
Exec Dt:
12/18/2001
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD #1
SUGAR LAND, TEXAS 77478
Correspondent:
WILLIAMS, MORGAN & AMERSON, P.C.
KENNETH D. GOODMAN
7676 HILLMONT, SUITE 250
HOUSTON, TX 77040
Assignment: 6
Reel/Frame:
013506/0905Recorded: 11/22/2002Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
SCHLUMBERGER TECHNOLOGY CORPORATION
Exec Dt:
11/22/2002
Assignee:
REED HYCALOG OPERATING LP
5599 SAN FELIPE
SUITE 1600
HOUSTON, TEXAS 77054
Correspondent:
BRIGITTE JEFFERY
200 GILLINGHAM LANE
SUGAR LAND, TX 77478

Search Results as of: 06/24/2024 07:07 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