Granted Patent
Utility
US 6,103,392 · App. 08/559,903
Tungsten-copper composite powder
Inventors:
Leonid P. Dorfman, David L. Houck, Michael J. Scheithauer, Gail T. Meyers, Frank J. Venskytis
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Nov 17, 1995
Inventors
Leonid P. Dorfman
David L. Houck
Michael J. Scheithauer
Gail T. Meyers
Frank J. Venskytis
Assignee (at issue)
OSRAM SYLVANIA Inc.
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.