Patent Assignment
Reel/Frame 003971/0927
Assignment of Assignors Interest.
Recorded: 1982-04-19
Pages: 1
Assignor
KINZBACH, ROBERT B.
Executed: 1981-03-27
Assignee
WEATHERFORD/LAM, INC., A CORP. OF TX
HOUSTON, TEXAS
Covered Property
(1)
Tong Assembly
Patent:
4,346,629 →
Application:
06/145,905 →
Related Assignments
(3)
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 →
Assignment of Assignor's Interest
Jul 18, 2000
From: DAILEY INTERNATIONAL, INC.
To: WEATHERFORD U.S. L.P.
Reel/Frame 010977/0150 →