Granted Patent
Utility
US 5,844,191 · App. 08/904,155
Method of and system for manufacturing a helical cutter
Inventor:
Jimmy Cox
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Jul 31, 1997
Inventor
Jimmy Cox
Assignee (at issue)
Westinghouse Electric Company 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.