Patent Assignment
Reel/Frame 020815/0123
Assignment of Assignor's Interest
Recorded: 2008-04-17
Pages: 6
Assignors
BUCK, NATHAN C.
Executed: 2008-04-15
DUBUQUE, JOHN P.
Executed: 2008-04-15
FOREMAN, ERIC A.
Executed: 2008-04-15
HABITZ, PETER A.
Executed: 2008-04-16
VISWESWARIAH, CHANDRAMOULI
Executed: 2008-04-16
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Methods for Identifying Failing Timing Requirements in a Digital Design
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 1, 2013
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: MENTOR GRAPHICS CORPORATION
Reel/Frame 029733/0156 →
Merger and Change of Name
Jun 18, 2021
From: MENTOR GRAPHICS CORPORATION; SIEMENS INDUSTRY SOFTWARE INC.
To: SIEMENS INDUSTRY SOFTWARE INC.
Reel/Frame 057261/0545 →