Granted Patent
Utility
US 5,117,078 · App. 07/650,246
Controlled heating of foodstuffs by microwave energy
Inventor:
D. Gregory Beckett
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Feb 4, 1991
Inventor
D. Gregory Beckett
Assignee (at issue)
Beckett Industries 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.