IP Library › Assignment 008692/0587
Patent Assignment
Reel/Frame 008692/0587

Assignment of Assignor's Interest

Recorded: 1997-07-07 Pages: 3
Assignors
KRUEGER, R. ERNST
Executed: 1997-06-10
MOORE, N. BRUCE
Executed: 1997-06-12
Assignee
WESTERN WELL TOOL, INC.
9758 WHITHAM, HOUSTON, TEXAS, 77095
Covered Property (1)
Tubing Friction Reducer
Patent: 5,692,563 →
Application: 08/713,024 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Feb 7, 2014
From: WESTERN WELL TOOL, INC.
To: WWT, INC.
Reel/Frame 032189/0063 →
Change of Name Feb 10, 2014
From: WWT, INC.
To: WWT INTERNATIONAL, INC.
Reel/Frame 032210/0192 →
Assignment of Assignor's Interest Feb 24, 2014
From: WWT INTERNATIONAL, INC.
To: WWT NORTH AMERICA HOLDINGS, INC.
Reel/Frame 032284/0642 →