Granted Patent
Utility
US 5,712,464 · App. 08/478,744
Method and apparatus of cooking food in a lightwave oven
Inventor:
Eugene R. Westerberg
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Jun 7, 1995
Inventor
Eugene R. Westerberg
Assignee (at issue)
Quadlux, 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.