Patent Assignment
Reel/Frame 015656/0785
Assignment of Assignor's Interest
Recorded: 2004-08-09
Pages: 3
Assignee
3M INNOVATIVE PROPERTIES COMPANY
P.O. BOX 33427, ST.PAUL, MINNESOTA, 55133-3427
Covered Property
(1)
Prevention of Electro-Chemical Corrosion at Charging Contacts of a Battery-Powered Handpiece and Its Charger Device
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Assignee Is Incorrect. Assignee Should Be 3M Espe Ag. Previously Recorded on Reel 015656 Frame 0785. Assignor(S) Hereby Confirms the Original Assignment Is to 3M Espe Ag..
Nov 10, 2011
From: HARTUNG, MARTIN G.; KELLER, MICHAEL
To: 3M ESPE AG
Reel/Frame 027204/0537 →
Merger
Feb 27, 2012
From: 3M ESPE AG
To: 3M DEUTSCHLAND GMBH
Reel/Frame 027762/0754 →