Patent Assignment
Reel/Frame 004251/0262
Assignment of Assignors Interest.
Recorded: 1983-12-05
Pages: 3
Assignor
SMITH, DENNIS R.
Executed: 1983-11-18
Assignee
T.D. WILLIAMSON, INC., A CORP OF OK
TULSA, OKLAHOMA
Covered Property
(1)
Pipeline Bend Verification Pig
Patent:
4,780,962 →
Application:
06/558,105 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 18, 1988
From: T. D. WILLIAMSON, INC.,
To: TDW DELAWARE, INC., A CORP. OF DE.
Reel/Frame 004915/0907 →
Security Agreement
Oct 11, 2005
From: T.D. WILLIAMSON, INC.; WILLIAMSON INTERNATIONAL CORP.; TDW DELWARE, INC.; TDW SERVICES, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 017065/0629 →