IP Library › Assignment 004101/0109

Patent Assignment

Reel/Frame 004101/0109

Assignment of Assignors Interest.

Recorded: 1981-09-14 Pages: 1

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Assignor

RANKIN, E. EDWARD

Executed: 1981-09-05

Assignee

H-G TESTING COMPANY; A PARTNERSHIP BETWEEN HUGHES TESTING CORPORATION A CORP OF DE. AND GEARHART TESTING CORPORATION A CORP OF TX.

Covered Property (1)

Wireline Winch Mounting System

Patent: 4,428,421 →

Application: 06/301,772 →

Related Assignments (3)

Other recorded transfers of the patent in this record — the chain of ownership.

Assignment of Assignors Interest. Mar 23, 1982

From: RANKIN, E. EDWARD

To: H-G TESTING COMPANY

Reel/Frame 004065/0973 →

Assignment of Assignors Interest. Aug 8, 1988

From: HUGHES TOOL COMPANY

To: BAKER HUGHES INCORPORATED

Reel/Frame 005050/0861 →

Assignment of Assignors Interest. Sep 25, 1991

From: BAKER HUGHES INCORPORATED

To: BJ SERVICES COMPANY

Reel/Frame 005852/0291 →