Patent Assignment
Reel/Frame 004046/0028
Assignment of Assignors Interest.
Recorded: 1982-09-09
Pages: 2
Assignee
WEATHERFORD/LAMB, INC.
A CORP. OF, HOUSTON, TEXAS
Covered Property
(1)
Power Pipe Tong Rotary Plunger Inserter
Patent:
4,442,736 →
Application:
06/416,405 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Aug 1, 1985
From: WEATHERFORD/LAMB, INC., A CORP. OF TEXAS
To: FIRST CITY NATIONAL BANK OF HOUSTON, 1001 MAIN STREET, HOUSTON, TX 77002, A NATIONAL BANKING ASSOCIATION
Reel/Frame 004435/0255 →
Released by Secured Party
May 10, 1990
From: FIRST CITY, TEXAS-HOUSTON, N.A. (SUCCESSOR OF FIRST CITY NATIONAL BANK OF HOUSTON, NA)
To: WEATHERFORD/LAMB, INC.
Reel/Frame 005296/0501 →