Granted Patent
Utility
US 4,342,153 · App. 06/179,255
Pitch diameter gauge for a variable speed pulley
Inventor:
Saxon Cole
Patented Case
View Patent ↗
Granted: Aug 3, 1982
Filed: Aug 18, 1980
Inventor
Saxon Cole
Assignee (at issue)
AMERICAN AIR FILTER COMPANY, INC.
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.