IP Library Assignment 020264/0277
Patent Assignment
Reel/Frame 020264/0277

Assignment of Assignor's Interest

Recorded: 2007-12-18 Pages: 3
Assignor
ZELKO, RICHARD A
Executed: 2007-09-27
Assignee
ACUTE TECHNOLOGICAL SERVICES, LLC
11925 BRITTMOORE PARK DRIVE, HOUSTON, TEXAS, 77041
Covered Property (1)
Elbow Fitting
Patent: 584,386 →
Application: 29/299,039 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jun 4, 2013
From: ACUTE TECHNOLOGICAL SERVICES, LLC
To: ACUTE TECHNOLOGICAL SERVICES, INC.
Reel/Frame 030547/0063 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →
Nunc Pro Tunc Assignment Feb 17, 2021
From: ACUTE TECHNOLOGICAL SERVICES, INC.
To: OIL STATES INDUSTRIES, INC.
Reel/Frame 055294/0334 →