Patent Assignment
Reel/Frame 022726/0316
Assignment of Assignor's Interest
Recorded: 2009-05-22
Pages: 5
Assignors
POIRIER, RICHARD J.
Executed: 2009-05-22
HOLMQUIST-BROWN, THOMAS W.
Executed: 2009-05-22
RAKOW, NEAL A.
Executed: 2009-05-22
Assignee
3M INNOVATIVE PROPERTIES COMPANY
P.O. BOX 33427, ST. PAUL, MINNESOTA, 55133-3427
Covered Property
(1)
Filter Cartridge Having Cone of Visibility for End-of-Service-Life-Indicator (Esli)