Granted Patent
Utility
US 5,224,804 · App. 07/796,982
Tooling system and method for broaching engine components
Inventor:
Barry E. Shepley
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Nov 25, 1991
Inventor
Barry E. Shepley
Assignee (at issue)
Ford Motor Company
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.