Patent Assignment
Reel/Frame 028107/0287
Assignment of Assignor's Interest
Recorded: 2012-04-25
Pages: 4
Assignor
SPIRATECH LTD.
Executed: 2007-04-04
Assignee
MENTOR GRAPHICS CORPORATION
8005 SW BOECKMAN ROAD, WILSONVILLE, OREGON, 97070-7777
Covered Property
(1)
Modeling and Simulation Method
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 25, 2012
From: PARKER, DANIEL ROBIN; JONES, CHRISTOPHER; POLYCHRONOPOULOS, JASON S.
To: SPIRATECH LTD.
Reel/Frame 028107/0283 →
Merger and Change of Name
Jun 16, 2021
From: MENTOR GRAPHICS CORPORATION; SIEMENS INDUSTRY SOFTWARE INC.
To: SIEMENS INDUSTRY SOFTWARE INC.
Reel/Frame 056597/0234 →