Granted Patent
Utility
US 5,640,871 · App. 08/563,253
Fin height measurement for a fin mill machine
Inventors:
Rodger A. Lisk, Ronald Pardi
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Nov 27, 1995
Inventors
Rodger A. Lisk
Ronald Pardi
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.