Granted Patent
Utility
US 4,623,097 · App. 06/239,317
Convenient feedtube protector and single-motion cover lifting structure for a food processor
Inventor:
Carl G. Sontheimer
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Mar 2, 1981
Inventor
Carl G. Sontheimer
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.