IP Library › Assignment 022309/0032
Patent Assignment
Reel/Frame 022309/0032

Assignment of Assignor's Interest

Recorded: 2009-02-24 Pages: 4
Assignor
APPLIED GEOMECHANICS INC.
Executed: 2008-11-21
Assignee
PINNACLE TECHNOLOGIES, INC.
600 TOWNSEND STREET, SUITE 160W, SAN FRANCISCO, CALIFORNIA, 94101
Covered Properties (3)
Hydraulic Fracture Analysis Method
Patent: 4,802,144 →
Application: 06/841,645 →
Method of Identification of Well Damage and Downhole Irregularities
Patent: 5,081,613 →
Application: 07/250,036 →
Evaluating Properties of Porous Formations
Patent: 5,220,504 →
Application: 07/749,508 →
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Mar 20, 1986
From: HOLZHAUSEN, GARY R.
To: APPLIED GEOMECHANICS, INC.
Reel/Frame 004554/0162 →
Assignment of Assignors Interest. Apr 25, 1986
From: HOLZHAUSEN, GARY R.; ST. LAWRENCE, WILLIAM
To: APPLIED GEOMECHANICS, INC.
Reel/Frame 004554/0194 →
Assignment of Assignors Interest. Sep 27, 1988
From: HOLZHAUSEN, GARY R.; BAKER, GREGORY S.; EGAN, HOWARD N.
To: APPLIED GEOMECHANICS, 1336 BROMMER STREET, SANTA CRUZ, CA 95062 A CA CORP.
Reel/Frame 004953/0812 →
Assignment of Assignor's Interest Apr 6, 2009
From: PINNACLE TECHNOLOGIES, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 022520/0919 →