Granted Patent
Utility
US 4,307,658 · App. 06/157,220
Apparatus for releasably retaining cooking griddles in a cooking appliance
Inventors:
Johannes W. Kaebitzsch, by Ludwina Kaebitzsch, executrix
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Jun 9, 1980
Inventors
Johannes W. Kaebitzsch
by Ludwina Kaebitzsch, executrix
Assignee (at issue)
International Foodservice Equipment Systems, 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.