IP Library › Assignment 004330/0201
Patent Assignment
Reel/Frame 004330/0201

Assignment of Assignors Interest.

Recorded: 1984-11-27 Pages: 2
Assignors
CHANCE, GLENN G.
Executed: 1984-10-30
KOVENSKY, WILLIAM
Executed: 1984-10-17
Assignee
GRACE NATURAL RESOURCES CORP., A CORP. OF DE
3400 INTERFIRST TWO, DALLAS, TEXAS, 75270
Covered Property (1)
Intermediate Weight Drill String Member
Patent: 4,460,202 →
Application: 06/210,479 →
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective Date, June 7, 1989, De. Mar 5, 1990
From: GRACE NATURAL RESOURCES CORP., A CORP. OF DE.
To: GRACE ENERGY CORPORATION
Reel/Frame 005243/0278 →
Assignment of Assignors Interest. Mar 25, 1993
From: GRACE ENERGY CORPORATION
To: HOMCO INTERNATIONAL, INC.
Reel/Frame 006459/0140 →
Assignment of Assignor's Interest Aug 30, 1993
From: HOMCO INTERNATIONAL, INC.
To: WEATHERFORD U.S., INC.
Reel/Frame 006663/0918 →
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 →