Patent Assignment
Reel/Frame 021340/0281
Assignment of Assignor's Interest
Recorded: 2008-08-05
Pages: 2
Assignors
KEINERT, JOACHIM
Executed: 2008-08-05
KOEHL, JUERGEN
Executed: 2008-08-05
LUDWIG, THOMAS
Executed: 2008-08-05
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Port Assignment in Hierarchical Designs by Abstracting Macro Logic
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 →