Patent Assignment
Reel/Frame 022309/0036
Assignment of Assignor's Interest
Recorded: 2009-02-20
Pages: 3
Assignor
GAS TECHNOLOGY INSTITUTE
Executed: 2008-08-04
Assignee
PINNACLE TECHNOLOGIES, INC.
600 TOWNSEND STREET, SUITE 160W, SAN FRANCISCO, CALIFORNIA, 94101
Covered Properties
(4)
High Speed Point Derivative Microseismic Detector
Patent:
5,774,419 →
Application:
08/665,471 →
Apparatus and Method for Monitoring Underground Fracturing
Patent:
5,934,373 →
Application:
08/790,292 →
System and Method for Determining the Distribution and Orientation of Natural Fractures
Patent:
5,996,726 →
Application:
09/015,457 →
Disposable Telemetry Cable Deployment System
Patent:
6,041,872 →
Application:
09/185,697 →
Related Assignments
(10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 12, 1997
From: ENERGY, UNITED STATES DEPARTMENT OF
To: GAS RESEARCH INSTITUTE
Reel/Frame 008864/0886 →
Assignment of Assignor's Interest
May 15, 1998
From: SORRELLS, GORDON; WARPINSKI, NORMAN R.
To: GAS RESEARCH INSTITUTE
Reel/Frame 009201/0208 →
Assignment of Assignor's Interest
Jan 22, 1999
From: WARPINSKI, NORMAN R.; STEINFORT, TERRY D.
To: SANDIA NATIONAL LABORATORIES
Reel/Frame 009976/0748 →
Assignment of Assignor's Interest
Jan 27, 1999
From: HOLCOMB, DAVID JOSEPH
To: GAS RESEARCH INSTITUTE
Reel/Frame 009722/0077 →
Assignment of Assignor's Interest
Mar 8, 1999
From: SANDIA CORPORATION
To: GAS RESEARCH INSTITUTE
Reel/Frame 009838/0448 →
Assignment of Assignor's Interest
Mar 8, 1999
From: BRANAGAN, PAUL T.; WILMER, ROY H.
To: GAS RESEARCH INSTITUTE
Reel/Frame 009837/0798 →
Confirmatory License
Dec 13, 2004
From: SANDIA CORPORATION
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 015451/0693 →
Assignment of Assignor's Interest
Sep 9, 2005
From: GAS RESEARCH INSTITUTE
To: PINNACLE TECHNOLOGIES, INC.
Reel/Frame 016500/0829 →
Assignment of Assignor's Interest
Jan 17, 2006
From: GAS RESEARCH INSTITUTE
To: GAS TECHNOLOGY INSTITUTE
Reel/Frame 017448/0282 →
Assignment of Assignor's Interest
Apr 6, 2009
From: PINNACLE TECHNOLOGIES, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 022520/0919 →