Granted Patent
Utility
US 5,369,257 · App. 08/089,202
Windshield de-icing and defrosting mitt using microwave energy heating and method
Inventor:
Robert M. Gibbon
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Jul 8, 1993
Inventor
Robert M. Gibbon
Assignee (at issue)
JMK International, 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.