Patent Assignment
Reel/Frame 021734/0645
Assignment of Assignor's Interest
Recorded: 2008-10-24
Pages: 6
Assignors
DELIA, DAVID J.
Executed: 2008-10-23
DELIA, WAYNE M.
Executed: 2008-10-20
KELLEY, EDWARD E.
Executed: 2008-10-20
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Method of Activating a Supplemental Visual Warning Signal Based on Frequency Emitted from a Generator of a Primary Audible Warning Signal