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Patent Assignment Details
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Reel/Frame:011072/0662   Pages: 3
Recorded: 08/18/2000
Conveyance: BILL OF SALE
Total properties: 5
1
Patent #:
Issue Dt:
01/30/1990
Application #:
07286915
Filing Dt:
12/20/1988
Title:
METHOD AND SYSTEM FOR CLEANING WELL CASING
2
Patent #:
Issue Dt:
05/30/1995
Application #:
08078542
Filing Dt:
06/16/1993
Title:
WELL CLEANING TOOL WITH SCRATCHING ELEMENTS
3
Patent #:
Issue Dt:
10/14/1997
Application #:
08472415
Filing Dt:
06/07/1995
Title:
PROCESS FOR CLEANING PIPE DOPE AND OTHER SOLIDS FROM WELL SYSTEMS
4
Patent #:
Issue Dt:
10/21/1997
Application #:
08476608
Filing Dt:
06/07/1995
Title:
PROCESS FOR REMOVING SOLIDS FROM A WELL DRILLING SYSTEM
5
Patent #:
Issue Dt:
06/30/1998
Application #:
08780317
Filing Dt:
01/08/1997
Title:
CHEMICAL ADDITIVE FOR REMOVING SOLIDS FROM A WELL DRILLING SYSTEM
Assignor
1
Exec Dt:
07/05/1999
Assignee
1
SUITE 300
5923 BROADWAY
SAN ANTONIO, TEXAS 78209
Correspondence name and address
JENKENS & GILCHRIST
MARGARET A. BOULWARE
1100 LOUISIANA
SUITE 1800
HOUSTON, TX 77002-5244

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