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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
02/12/1980
Application #:
05867967
Filing Dt:
01/09/1978
Inventor:
CHARLES M. EDWARDS
Title:
SEISMIC PROSPECTING SYSTEM
Assignment: 1
Reel/Frame:
005268/0641Recorded: 03/21/1990Pages: 13
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/10/1989
Assignee:
ONE OXFORD CENTRE, EIGHTH FLR., 301 GRANT ST.
PITTSBURGH,, PENNSYLVANIA 15219
Correspondent:
DAVID V. RADACK
600 GRANT ST., 42ND FLR.
PITTSBURGH, PA 15219
Assignment: 2
Reel/Frame:
005810/0191Recorded: 08/12/1991Pages: 16
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/16/1990
Assignee:
ONE OXFORD CENTRE
PITTSBURGH, PENNSYLVANIA 15219
Correspondent:
DAVID V. RADACK
WESTINGHOUSE CREDIT CORPORATION
42ND FLOOR
600 GRANT STREET
PITTSBURGH, PA 15219

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