Granted Patent
Utility
US 5,948,541 · App. 08/627,515
Boron and nitrogen containing coating and method for making
Inventor:
Aharon Inspektor
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Apr 4, 1996
Inventor
Aharon Inspektor
Assignee (at issue)
KENNAMETAL 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.