Granted Patent
Utility
US 5,168,661 · App. 07/530,776
Method of grinding the surfaces of cutting blades and grinding wheel therefor
Inventors:
Harry Pedersen, Harry D. Dodd
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: May 30, 1990
Inventors
Harry Pedersen
Harry D. Dodd
Assignee (at issue)
THE GLEASON WORKS
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.