IP Library Assignment 023219/0070
Patent Assignment
Reel/Frame 023219/0070

Assignment of Assignor's Interest

Recorded: 2009-09-11 Pages: 4
Assignors
ECHEGARAY, ALEXANDRA
Executed: 2009-09-10
LAGARES, HEIDI L.
Executed: 2009-09-11
SEARCH, DOUGLAS S.
Executed: 2009-09-10
SZULEWSKI, STEPHEN
Executed: 2009-09-11
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property (1)
Method and System to at Least Partially Isolate Nets
Patent: 8,171,442 →
Application: 12/557,872 →
Publication: US 2011/0066989
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 28, 2021
From: MENTOR GRAPHICS CORPORATION; SIEMENS INDUSTRY SOFTWARE INC.
To: SIEMENS INDUSTRY SOFTWARE INC.
Reel/Frame 056696/0081 →