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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
12/03/1985
Application #:
06487304
Filing Dt:
04/21/1983
Inventor:
BERNARD WIDROW
Title:
SEISMIC EXPLORATION METHOD AND APPARATUS FOR CANCELLING INTERFERENCE FROM SEISMIC VIBRATION SOURCE
Assignment: 1
Reel/Frame:
004458/0069Recorded: 09/23/1985Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
09/18/1985
Assignee:
250 POLARIS AVENUE
A CORP. OF CA
MOUNTAIN VIEW, CALIFORNIA 94043
Correspondent:
FLEHR, HOHBACH, TEST,
ALBRITTON & HERBERT
FOUR EMBARCADERO CTR., STE. 3400
SAN FRANCISCO, CA 94111
Assignment: 2
Reel/Frame:
004805/0391Recorded: 12/10/1987Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/21/1987
Assignee:
HOUSTON, TEXAS
Correspondent:
FLEHR, HOHBACH, TEST,
ALBRITTON & HERBERT
STE. 3400, FOUR EMBARCADERO CENTER
SAN FRANCISCO, CA 94111
Assignment: 3
Reel/Frame:
004805/0391Recorded: 12/10/1987Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/21/1987
Assignee:
HOUSTON, TEXAS
Correspondent:
FLEHR, HOHBACH, TEST,
ALBRITTON & HERBERT
STE. 3400, FOUR EMBARCADERO CENTER
SAN FRANCISCO, CA 94111

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