IP Library › Assignment 004903/0217
Patent Assignment
Reel/Frame 004903/0217

Assignment of Assignors Interest.

Recorded: 1988-06-27 Pages: 2
Assignors
WYATT, MARK L.
Executed: 1987-11-02
TUCKER, ANDREW J.
Executed: 1987-11-02
Assignee
Covered Property (1)
Retractable Slip Assembly
Patent: 4,813,486 →
Application: 07/100,303 →
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Nov 18, 1993
From: ARROW OIL TOOLS, INC.
To: LINDSEY COMPLETION SYSTEMS, INC.
Reel/Frame 006777/0360 →
Change of Name Dec 3, 1993
From: LINDSEY COMPLETION SYSTEMS, INC.
To: MASX ENERGY SERVICES GROUP, INC.
Reel/Frame 006783/0444 →
Change of Name Nov 29, 1996
From: TOTAL ENERGY SERVICES COMPANY
To: ENTERRA PETROLEUM EQUIPMENT GROUP, INC.
Reel/Frame 008239/0795 →
Assignment of Assignor's Interest Jan 23, 1997
From: ENTERRA PETROLEUM EQUIPMENT GROUP, INC.
To: EVI ARROW, INC.
Reel/Frame 008321/0001 →
Assignment of Assignor's Interest Apr 18, 2005
From: WEATHERFORD U.S., L.P.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 015918/0097 →