Granted Patent
Utility
US 4,550,261 · App. 06/533,181
Fluid level sensor circuitry
Inventors:
Ronald F. Hormel, Frederick O. R. Miesterfeld
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Sep 19, 1983
Inventors
Ronald F. Hormel
Frederick O. R. Miesterfeld
Assignee (at issue)
Chrysler Group LLC
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.