Granted Patent
Utility
US 6,827,975 · App. 10/042,892
Method of coating cutting tools
Inventors:
Roy V. Leverenz, John Bost, James J. Oakes
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Jan 9, 2002
Inventors
Roy V. Leverenz
John Bost
James J. Oakes
Assignee (at issue)
TDY Industries, LLC
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.