Granted Patent
Utility
US 4,974,501 · App. 07/483,321
Deep fat frying apparatus with improved under-fryer cooking liquid pumping and filtration system
Inventors:
James T. Grob, John M. Kinch
Patented Case
View Patent ↗
Granted: Dec 4, 1990
Filed: Feb 20, 1990
Inventors
James T. Grob
John M. Kinch
Assignee (at issue)
FRYMASTER, 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.