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 #:
Issue Dt:
10/15/1985
Application #:
06625495
Filing Dt:
06/28/1984
Inventors:
JOHN S. CHILDERS, PAUL E. PASTUSEK
Title:
DRILL BIT HAVING ANGLED NOZZLES FOR IMPROVED BIT AND WELL BORE CLEANING
Assignment: 1
Reel/Frame:
004280/0410Recorded: 06/28/1984Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
06/19/1984
Exec Dt:
06/19/1984
Assignee:
A CORP OF TX
HOUSTON, TEXAS
Correspondent:
CARL A. ROWOLD
REED TOOL CO., PATENT COUNSEL
P. O. BOX 2119
HOUSTON, TX 77252
Assignment: 2
Reel/Frame:
012418/0487Recorded: 01/09/2002Pages: 6
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/20/1988
Assignee:
7030 ARDMORE
HOUSTON, TEXAS 77054
Correspondent:
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 N. GESSNER
HOUSTON, TEXAS 77040
Assignment: 3
Reel/Frame:
012463/0161Recorded: 01/09/2002Pages: 15
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/20/1989
Assignee:
7030 ARDMORE
HOUSTON, TEXAS 77054
Correspondent:
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 N. GESSNER
HOUSTON, TEXAS 77040
Assignment: 4
Reel/Frame:
013417/0342Recorded: 10/24/2002Pages: 8
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/18/2001
Assignee:
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: 5
Reel/Frame:
013506/0905Recorded: 11/22/2002Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/22/2002
Assignee:
5599 SAN FELIPE
SUITE 1600
HOUSTON, TEXAS 77054
Correspondent:
BRIGITTE JEFFERY
200 GILLINGHAM LANE
SUGAR LAND, TX 77478

Search Results as of: 05/10/2024 10:52 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