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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
05/21/1985
Application #:
06440896
Filing Dt:
11/12/1982
Inventor:
BRUCE L. SHANNON
Title:
SYSTEM TO PRODUCE A BRINE-BASED DRILLING FLUID
Assignment: 1
Reel/Frame:
004066/0818Recorded: 12/01/1982Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/01/1982
Assignee:
CHICAGO, ILLINOIS
Correspondent:
SCOTT H. BROWN
STANDARD OIL CO. (INDIANA)
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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