Granted Patent
Utility
US 6,064,150 · App. 09/175,787
Nitride coated particle and composition of matter comprised of such particles
Inventors:
Keith A. Klinedinst, Robert F. Clark
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Oct 20, 1998
Inventors
Keith A. Klinedinst
Robert F. Clark
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.