Patent Assignment
Reel/Frame 022249/0901
Assignment of Assignor's Interest
Recorded: 2009-02-12
Pages: 2
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Etching System and Method for Forming Multiple Porous Semiconductor Regions with Different Optical and Structural Properties on a Single Semiconductor Wafer
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 12, 2009
From: VAID, ALOK
To: AMD
Reel/Frame 022249/0923 →
Affirmation of Patent Assignment
Aug 18, 2009
From: ADVANCED MICRO DEVICES, INC.
To: GLOBALFOUNDRIES INC.
Reel/Frame 023120/0426 →
Assignment of Assignor's Interest
Jun 27, 2019
From: GLOBALFOUNDRIES INC.
To: ALSEPHINA INNOVATIONS INC.
Reel/Frame 049612/0211 →
Release of Security Interest
Nov 20, 2020
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: GLOBALFOUNDRIES INC.
Reel/Frame 054636/0001 →