Granted Patent
Utility
US 4,676,101 · App. 06/903,149
Capacitance-type material level indicator
Inventor:
James S. Baughman
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Sep 3, 1986
Inventor
James S. Baughman
Assignee (at issue)
WALBRO 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.