Granted Patent
Utility
US 4,730,100 · App. 06/935,227
Food cooking and heating apparatus
Inventor:
John R. Pingelton
Patented Case
View Patent ↗
Granted: Mar 8, 1988
Filed: Nov 26, 1986
Inventor
John R. Pingelton
Assignee (at issue)
Jero Manufacturing, 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.