Patent Assignment
Reel/Frame 014082/0342
Assignment of Assignor's Interest
Recorded: 2003-05-15
Pages: 3
Assignor
XU, PEI-CHENG
Executed: 2003-02-11
Assignee
SOUTHWEST RESEARCH INSTITUTE
P.O. DRAWER 28510, SAN ANTONIO, TEXAS, 78228-0510
Covered Property
(1)
Method for detecting, locating, and characterizing single and multiple fluid-filled fractures in fractured formations
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 15, 2003
From: PARRA, JORGE OCTABIO
To: SOUTHWEST RESEARCH INSTITUTE
Reel/Frame 014081/0322 →
Correcting Spelling of Conveying Party's Middle Name in Recorded Assignment Reel/Frame: 014081/0322 Filed 5/15/03.
Nov 13, 2003
From: PARRA, JORGE OCTAVIO
To: SOUTHWEST RESEARCH INSTITUTE
Reel/Frame 014693/0240 →