Patent Assignment
Reel/Frame 031431/0885
Assignment of Assignor's Interest
Recorded: 2013-10-18
Pages: 2
Assignor
MITTELSTADT, WILLIAM A.
Executed: 2013-02-01
Assignee
3M INNOVATIVE PROPERTIES COMPANY
P.O. BOX 33427, SAINT PAUL, MINNESOTA, 55133-3427
Covered Property
(1)
Respirator Negative Pressure Fit Check Devices and Methods
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 1, 2013
From: STEIN, DAVID R.; BLOMBERG, DAVID M.; COWELL, MICHAEL J.; DWYER, GARY E.
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 029742/0110 →
Assignment of Assignor's Interest
Apr 30, 2013
From: RAINES, CARL W., III; INSLEY, THOMAS I.; SVENDSEN, MICHAEL J.; ABEL, NATHAN A.
To: 3M INNOVATIVE PROPERTIES COMPANY
Reel/Frame 030315/0461 →