IP Library › Assignment 020990/0127
Patent Assignment
Reel/Frame 020990/0127

Assignment of Assignor's Interest

Recorded: 2008-05-23 Pages: 3
Assignors
DARSOW, CRAIG M.
Executed: 2008-05-12
HELVEY, TIMOTHY D.
Executed: 2008-05-12
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property (1)
Concurrently Modeling Delays Between Points in Static Timing Analysis Operation
Patent: 7,962,871 →
Application: 12/126,037 →
Publication: US 2009/0293030
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 →