Patent Assignment
Reel/Frame 021672/0480
Assignment of Assignor's Interest
Recorded: 2008-10-13
Pages: 3
Assignee
3M INNOVATIVE PROPERTIES COMPANY
P.O. BOX 33427, ST. PAUL, MINNESOTA, 55133-3427
Covered Property
(1)
Face Mask Having Unidirectional Multi-Flap Valve