Granted Patent
Utility
US 4,506,147 · App. 06/589,236
Hubodometer adapted for selectable gear ratios
Inventor:
Patrick Powell
Patented Case
View Patent ↗
Granted: Mar 19, 1985
Filed: Mar 14, 1984
Inventor
Patrick Powell
Assignee (at issue)
STANDARD CAR TRUCK 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.