IP Library › Assignment 021565/0250
Patent Assignment
Reel/Frame 021565/0250

Assignment of Assignor's Interest

Recorded: 2008-09-22 Pages: 3
Assignor
WHITE, JOHN R.
Executed: 2008-08-11
Assignee
TDY INDUSTRIES, INC.
1000 SIX PPG PLACE, PITTSBURGH, PENNSYLVANIA, 15222
Covered Property (1)
Method for Making Ammonium Metatungstate
Patent: 7,794,686 →
Application: 12/189,863 →
Publication: US 2010/0040532
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Dec 12, 2012
From: TDY INDUSTRIES, INC.
To: TDY INDUSTRIES, LLC
Reel/Frame 029457/0197 →
Assignment of Assignor's Interest Nov 15, 2013
From: TDY INDUSTRIES, LLC
To: KENNAMETAL INC.
Reel/Frame 031640/0510 →