Patent Assignment
Reel/Frame 014032/0309
Assignment of Assignor's Interest
Recorded: 2003-05-06
Pages: 4
Assignor
QU, RUIBIN
Executed: 2002-09-26
Assignee
ELECTRONIC DATA SYSTEMS CORPORATION
5400 LEGACY DRIVE, H3-3A-05, PLANO, TEXAS, 75024
Covered Property
(1)
Method and System for Computing a Transverse Derivative Field Along a Curve on a Surface
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 4, 2004
From: ELECTRONIC DATA SYSTEMS CORPORATION
To: UGS PLM SOLUTIONS INC.
Reel/Frame 014307/0325 →
Merger and Change of Name
Jun 28, 2004
From: UGS PLM SOLUTIONS INC.; UGS CORP.
To: UGS CORP.
Reel/Frame 014782/0440 →
Security Agreement
Jun 28, 2004
From: UGS CORP.
To: JPMORGAN CHASE BANK, AS ADMINISTRATIVE AGENT
Reel/Frame 014782/0450 →
Change of Name
Apr 20, 2005
From: UGS PLM SOLUTIONS INC.
To: UGS CORP.
Reel/Frame 016117/0110 →
Change of Name
Sep 29, 2008
From: UGS CORP.
To: SIEMENS PRODUCT LIFECYCLE MANAGEMENT SOFTWARE INC.
Reel/Frame 021590/0548 →
Release of Security Interest
Sep 4, 2009
From: JPMORGAN CHAS BANK, N.A., AS ADMINISTRATIVE AGENT
To: SIEMENS PRODUCT LIFECYCLE MANAGEMENT SOFTWARE INC., A DELAWARE CORPORATION
Reel/Frame 023180/0927 →