Granted Patent
Utility
US 4,666,348 · App. 06/816,233
Cutter for thread rolling dies
Inventor:
Richard H. Corrette
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Jan 6, 1986
Inventor
Richard H. Corrette
Assignee (at issue)
Colt Industries Operating Corporation
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.