IP Library › Assignment 015954/0042
Patent Assignment
Reel/Frame 015954/0042

Assignment of Assignor's Interest

Recorded: 2005-03-23 Pages: 3
Assignors
CHALLENER, DAVID CARROLL
Executed: 2005-02-24
WALTERMANN, ROD DAVID
Executed: 2005-02-24
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property (1)
Hard Disk Drive with Write-Only Region
Patent: 8,140,795 →
Application: 11/068,322 →
Publication: US 2006/0195654
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 4, 2005
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: LENOVO (SINGAPORE) PTE LTD.
Reel/Frame 016891/0507 →
Nunc Pro Tunc Assignment Nov 25, 2015
From: LENOVO (SINGAPORE) PTE LTD.
To: LENOVO PC INTERNATIONAL
Reel/Frame 037160/0001 →
Assignment of Assignor's Interest Jan 10, 2025
From: LENOVO PC INTERNATIONAL LIMITED
To: LENOVO SWITZERLAND INTERNATIONAL GMBH
Reel/Frame 069870/0670 →