Patent Assignment
Reel/Frame 008792/0783
Security Agreement
Recorded: 1997-11-10
Pages: 6
Assignor
EXCEL ENERGY TECHNOLOGIES, LTD.
Executed: 1997-06-12
Assignee
PUBLIC SERVICE COMPANY OF OKLAHOMA
TWO WEST SECOND STREET, TULSA, OKLAHOMA, 74103
Covered Property
(1)
Apparatus for Reducing Heater and Air Conditining Energy Consumption
Patent:
4,423,765 →
Application:
06/384,017 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
May 26, 1983
From: HILDEBRAND, PAUL N.
To: ORANGE ENERGY SYSTEMS, INC., LAWTON, OK., A CORP. OF OK.
Reel/Frame 004130/0543 →
Mortgage
Apr 18, 1984
From: HILDEBRAND, PAUL N.
To: ORANGE ENERGY SYSTEMS INC
Reel/Frame 004245/0700 →
Assignment of Assignor's Interest
Oct 18, 1993
From: ORANGE ENERGY SYSTEMS, INC.
To: HILDEBRAND ENTERPRISES, INC.
Reel/Frame 006728/0745 →
Patent Security, Collateral Assignment and License Agreement
Oct 18, 1993
From: EXCEL ENERGY TECHNOLOGIES, INC.
To: ML OKLAHOMA VENTURE PARTNERS, LIMITED PARTNERSHIP
Reel/Frame 006726/0696 →
Termination of Security Interest
Apr 19, 1994
From: ML OKLAHOMA VENTURE PARTNERS, LIMITED PARTNERSHIP
To: EXCEL ENERGY TECHNOLOGIES, LTD.
Reel/Frame 006952/0290 →
Termination Statement
Sep 1, 1998
From: PUBLIC SERVICE COMPANY OF OKLAHOMA
To: EXCEL ENERGY TECHNOLOGIES, LTD.
Reel/Frame 009414/0397 →
Assignment of Assignor's Interest
Aug 1, 2008
From: EXCEL ENERGY TECHNOLOGIES, LTD.
To: SITE CONTROLS, LLC
Reel/Frame 021328/0215 →