Granted Patent
Utility
US 6,809,229 · App. 10/023,618
Method of using carbide and/or oxycarbide containing compositions
Inventors:
David Moy, Chunming Niu, Jun Ma, Jason M. Willey
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Dec 18, 2001
Inventors
David Moy
Chunming Niu
Jun Ma
Jason M. Willey
Assignee (at issue)
Hyperion Catalysis International
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.