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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
04/09/1985
Application #:
06527704
Filing Dt:
08/26/1983
Inventors:
WILLIAM C. SAXMAN, LARRY J. PARKER
Title:
COMPRESSIBLE PRESSURE COMPENSATOR WITHIN CLOSED LUBRICANT VOLUME OF AN EARTH BORING APPARATUS
Assignment: 1
Reel/Frame:
004221/0825Recorded: 10/06/1983Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
09/15/1983
Exec Dt:
09/15/1983
Assignee:
A DE CORP.
DALLAS, TEXAS
Correspondent:
FRED A. WINANS
DRESSER INDUSTRIES, INC.
P.O. BOX 718
DALLAS, TX 75221
Assignment: 2
Reel/Frame:
004634/0252Recorded: 11/06/1986Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
09/09/1986
Assignee:
Correspondent:
FETHERSTONHAUGH & CO.
439 UNIVERSITY AVENUE
TORONTO, CANADA

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