Patent Assignment
Reel/Frame 006514/0437
Assignment of Assignors Interest.
Recorded: 1993-05-03
Pages: 5
Assignor
SCIENCE & ENGINEERING ASSOCIATES, INC.
Executed: 1993-04-12
Assignee
ENERGY VENTURES, INC.
5 POST OAK PARK, SUITE 1760, HOUSTON, TEXAS, 77027
Covered Property
(1)
Underground Instrumentation Emplacement System
Patent:
5,176,207 →
Application:
07/736,396 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 26, 1991
From: KELLER, CARL E.
To: SCIENCE & ENGINEERING, INC., A CORPORATION OF NM
Reel/Frame 005796/0243 →
Assignment of Assignor's Interest
Aug 22, 1994
From: ENERGY VENTURES, INC.
To: EVI CHERRINGTON ENVIRONMENTAL, INC.
Reel/Frame 007107/0526 →
Security Interest
Jul 5, 2005
From: KELLER, CARL E.
To: LOS ALAMOS NATIONAL BANK
Reel/Frame 016735/0341 →