Granted Patent
Utility
US 4,390,133 · App. 06/272,676
Food processor
Inventor:
David J. Wanat
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: Jun 11, 1981
Inventor
David J. Wanat
Assignee (at issue)
General Electric 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.