Granted Patent
Utility
US 5,164,555 · App. 07/758,753
Rotating paddle bin level indicator
Inventor:
Ronald G. Brenton
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Sep 12, 1991
Inventor
Ronald G. Brenton
Assignee (at issue)
Bindicator 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.