IP Library › Assignment 004487/0029
Patent Assignment
Reel/Frame 004487/0029

Assignment of Assignors Interest.

Recorded: 1985-11-08 Pages: 1
Assignors
HASSANZADEH, HEDAYAT H.
Executed: 1985-11-08
MC CLUNG, GUY L. III
Executed: 1985-11-08
Assignee
WEATHERFORD U.S., INC., A CORP. OF DE.
1360 POST OAK BOULEVARD, HOUSTON, TEXAS, 77056
Covered Property (1)
Auto-Fill Flow Valve
Patent: 4,625,762 →
Application: 06/796,665 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Sep 7, 1993
From: WEATHERFORD U.S., INC.
To: TEXAS COMMERCE BANK NATIONAL ASSOICATION
Reel/Frame 006677/0420 →
Release from Security Agreement Apr 26, 1994
From: TEXAS COMMERCE BANK NATIONAL ASSOCIATION
To: WEATHERFORD U.S., INC.
Reel/Frame 006968/0187 →