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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
03/17/1987
Application #:
06829383
Filing Dt:
02/13/1986
Inventor:
ERIC B. WITTEN
Title:
DRILLING MUD DEHYDRATION SYSTEM
Assignment: 1
Reel/Frame:
004532/0391Recorded: 03/10/1986Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
02/04/1986
Assignee:
LOS ANGELES, CALIFORNIA
Correspondent:
MICHAEL E. MARTIN
PATENT DEPT., (PAT 402)
ATLANTIC RICHFIELD CO.,
2300 WEST PLANO PARKWAY
PLANO, TX 75075
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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