Granted Patent
Utility
US 5,628,221 · App. 08/563,254
Fin mill machine
Inventors:
Ronald Pardi, Alfred John Michelini, Rodger A. Lisk
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Nov 27, 1995
Inventors
Ronald Pardi
Alfred John Michelini
Rodger A. Lisk
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.