Patent Assignment
Reel/Frame 023394/0273
Assignment of Assignor's Interest
Recorded: 2009-10-20
Pages: 3
Assignee
3M INNOVATIVE PROPERTIES COMPANY
POST OFFICE BOX 33427, ST. PAUL, MINNESOTA, 55133-3427
Covered Property
(1)
Method of Preventing Filter Media Cracking When Compressing Two or More Filter Media Layers
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.