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Patent Assignment Details
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Reel/Frame:009963/0654   Pages: 3
Recorded: 05/13/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
06/12/2001
Application #:
09260250
Filing Dt:
03/02/1999
Title:
HIGH EFFICIENCY DRILL PIPE
Assignors
1
Exec Dt:
04/21/1999
2
Exec Dt:
05/02/1999
Assignee
1
2300 W. PLANO PARKWAY
PLANO, TEXAS 75075
Correspondence name and address
ATLANTIC RICHFIELD COMPANY
JOHN L. WOOD
2300 W. PLANO PARKWAY
MAIL DROP PLC J2504
PLANO, TX 75075

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