Granted Patent
Utility
US 5,372,797 · App. 08/050,945
Low temperature method for synthesizing micrograin tungsten carbide
Inventors:
Stephen D. Dunmead, William G. Moore
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Apr 21, 1993
Inventors
Stephen D. Dunmead
William G. Moore
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.