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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
10/23/1990
Application #:
07390213
Filing Dt:
08/07/1989
Inventors:
DENNIS A. WILLIAMS, JOHN C. NEWLOVE, ROGER L. HORTON
Title:
HYDRAULIC FRACTURING WITH CHLORINE DIOXIDE CLEANUP
Assignment: 1
Reel/Frame:
005395/0863Recorded: 08/09/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
08/04/1989
Exec Dt:
08/04/1989
Exec Dt:
08/04/1989
Assignee:
Correspondent:
ROBERT L. GRAHAM
15603 KUYKENDAHL, STE. 115
HOUSTON, TX 77090
Assignment: 2
Reel/Frame:
008376/0134Recorded: 02/10/1997Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/24/1996
Assignee:
7701 HIGHWAY 90-A
SUGARLAND, TEXAS 77478
Correspondent:
NALCO CHEMICAL COMPANY
ROBERT A. MILLER
PATENT AND LICENSING DEPT.
ONE NALCO CENTER
NAPERVILLE, IL 60563-1198

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