IP Library Assignment 023511/0259
Patent Assignment
Reel/Frame 023511/0259

Confirmatory License

Recorded: 2009-11-12 Pages: 2
Assignor
CERAMATEC, INC.
Executed: 2009-08-19
Assignee
ENERGY, UNITED STATES DEPARTMENT OF
1000 INDEPENDENCE AVE., S.W, WASHINGTON, DISTRICT OF COLUMBIA, USA 20585
Covered Property (1)
Treatment of Fly Ash for Use in Concrete
Patent: 8,172,940 →
Application: 11/776,892 →
Publication: US 2009/0013907
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 20, 2007
From: BOXLEY, CHETT; AKASH, AKASH; ZHAO, QIANG
To: CERAMATEC, INC.
Reel/Frame 019854/0798 →
Assignment of Assignor's Interest Feb 27, 2023
From: CERAMATEC, INC
To: COORSTEK, INC.
Reel/Frame 062876/0001 →