Patent Assignment
Reel/Frame 015599/0560
Assignment of Assignor's Interest
Recorded: 2005-01-17
Pages: 3
Assignors
CHALLENER, DAVID CARROLL
Executed: 2004-11-19
GOODMAN, STEVEN DALE
Executed: 2004-11-18
HOFF, JAMES PATRICK
Executed: 2004-11-18
RIVERA, DAVID
Executed: 2004-11-19
SPRINGFIELD, RANDALL SCOTT
Executed: 2004-11-19
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Secure Single Sign-on to Operating System via Power-on Password
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 17, 2005
From: CHALLENER, DAVID CARROLL; GOODMAN, STEVEN DALE; HOFF, JAMES PATRICK; RIVERA, DAVID
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 015599/0532 →
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 →