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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
01/25/1983
Application #:
06303306
Filing Dt:
09/17/1981
Inventors:
CHARLES A. POWERS, GEORGE B. HOLMAN, ROBERT C. SMITH
Title:
LOW DENSITY CEMENT SLURRY AND ITS USE
Assignment: 1
Reel/Frame:
003929/0412Recorded: 10/14/1981Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
09/10/1981
Exec Dt:
09/11/1981
Exec Dt:
09/11/1981
Assignee:
CHICAGO, ILLINOIS
Correspondent:
F.E. HOOK
AMOCO PRODUCTION COMPANY
P.O. BOX 591
TULSA, OK. 74102
Assignment: 2
Reel/Frame:
004558/0872Recorded: 01/21/1986Pages: 30
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/23/1985
Assignee:
CHICAGO, ILLINOIS
Correspondent:
AMOCO CORPORATION
4111 SOUTH DARLINGTON, STE 1006
P.O. BOX 591
TULSA OK. 74102

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