IP Library Assignment 024589/0622
Patent Assignment
Reel/Frame 024589/0622

Assignment of Assignor's Interest

Recorded: 2010-06-24 Pages: 4
Assignors
CASH, KEVIN M.
Executed: 2010-06-15
MATTESON, JASON A.
Executed: 2010-06-16
STEINKE, MARK E.
Executed: 2010-06-15
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property (1)
Filter Fouling Detection Using Comparative Temperature Rise Analysis
Patent: 8,493,221 →
Application: 12/822,473 →
Publication: US 2011/0316706
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 10, 2014
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: LENOVO INTERNATIONAL LIMITED
Reel/Frame 034194/0291 →