Granted Patent
Utility
US 4,765,385 · App. 07/019,940
Tire inflation-deflation system
Inventor:
Donald E. McGeachy
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Feb 27, 1987
Inventor
Donald E. McGeachy
Assignee (at issue)
Numatics, Incorporated
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.