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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
10/29/1991
Application #:
07573595
Filing Dt:
08/27/1990
Inventors:
WILLIAM S. HARLAN, SHEIN S. WANG, DOUGLAS W. HANSON
Title:
CALCULATION OF RAYPATHS AND WAVEPATHS FROM TRAVELTIME TABLES FOR THE TOMOGRAPHIC ESTIMATION OF TRANSMISSION VELOCITIES
Assignment: 1
Reel/Frame:
005423/0114Recorded: 08/27/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
08/24/1990
Exec Dt:
08/24/1990
Exec Dt:
08/24/1990
Assignee:
1000 SOUTH PINE, A CORP. OF DE
PONCA CITY, OKLAHOMA 74603
Correspondent:
R. J. CARLSON
PATENT & LICENSING DIV.,
CONOCO INC.,
P. O. BOX 1267
PONCA CITY, OK 74603
Assignment: 2
Reel/Frame:
022634/0590Recorded: 05/05/2009Pages: 6
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/12/2002
Assignee:
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TEXAS 77079-1175
Correspondent:
CONOCOPHILLIPS COMPANY - IP SERVICES GRO
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TX 77079-1175

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