IP Library › Assignment 005195/0578
Patent Assignment
Reel/Frame 005195/0578

Assignment of Assignors Interest.

Recorded: 1989-12-14 Pages: 1
Assignors
LANGER, FRIEDRICH H.
Executed: 1989-11-09
WOODWARD, MICHAEL J.
Executed: 1989-11-09
Assignee
WEATHERFORD U.S. INC., A CORP. OF DE
1360 POSTOAK BLVD., STE. 1000,, HOUSTON,, TEXAS, 77227
Covered Property (1)
Nozzle Effect Protectors, Centralizers, and Stabilizers and Related Methods
Patent: 4,984,633 →
Application: 07/424,092 →
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 →