Granted Patent
Utility
US 4,621,954 · App. 06/799,218
Gear cutter assembly
Inventors:
Richard L. Kitchen, Richard C. Blakesley
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Dec 23, 1985
Inventors
Richard L. Kitchen
Richard C. Blakesley
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.