Patent Assignment
Reel/Frame 012772/0190
Assignment of Assignor's Interest
Recorded: 2002-04-04
Pages: 3
Assignors
JACOBSON, NATHAN E.
Executed: 2002-03-27
JENSEN, TERRY L.
Executed: 2002-03-27
SPRAGUE, RICK A.
Executed: 2002-03-28
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Chemical Strengthening Process for Disks Used in Disk Drive Data Storage Devices
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 28, 2003
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
Reel/Frame 014320/0631 →
Change of Name
Oct 25, 2012
From: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
To: HGST NETHERLANDS B.V.
Reel/Frame 029341/0777 →
Assignment of Assignor's Interest
Dec 5, 2016
From: HGST NETHERLANDS B.V.
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 040820/0802 →