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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
05/05/1987
Application #:
06855660
Filing Dt:
04/25/1986
Inventors:
JAMES D. ASHFORD, JAMES K. EASTLACK, GARY D. HERRING, WILLIAM N. WILSON
Title:
WELL TREATMENT METHOD USING SODIUM SILICATE TO SEAL FORMATION
Assignment: 1
Reel/Frame:
004543/0890Recorded: 04/25/1986Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
04/13/1986
Exec Dt:
03/27/1986
Exec Dt:
03/27/1986
Exec Dt:
03/27/1986
Assignee:
LOS ANGELES, CALIFORNIA
Correspondent:
DRUDE FAULCONER
2435 N. CENTRAL EXPRESSWAY
STE. 701
RICHARDSON, TX 75080
Assignment: 2
Reel/Frame:
012333/0329Recorded: 12/17/2001Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/20/2001
Assignee:
BARTLESVILLE, OKLAHOMA 74004
Correspondent:
LADAS AND PARRY
LANNING G. BRYER
26 WEST 61ST STREET
NEW YORK, NY 10023

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