Granted Patent
Utility
US 5,956,560 · App. 08/784,159
Tungsten-copper composite powder
Inventors:
Leonid P. Dorfman, David L. Houck, Michael J. Scheithauer, Muktesh Paliwal, Gail T. Meyers, Frank J. Venskytis
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Jan 15, 1997
Inventors
Leonid P. Dorfman
David L. Houck
Michael J. Scheithauer
Muktesh Paliwal
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.