Granted Patent
Utility
US 4,977,821 · App. 07/297,415
Automatic stirring of batch fried food products
Inventors:
Clark K. Benson, Andrew A. Caridis
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Jan 13, 1989
Inventors
Clark K. Benson
Andrew A. Caridis
Assignee (at issue)
Heat and Control, Inc.
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.