Granted Patent
Utility
US 5,310,976 · App. 07/835,457
Microwave heating intensifier
Inventor:
Donald G. Beckett
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Mar 2, 1992
Inventor
Donald G. 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.