Granted Patent
Utility
US 5,354,973 · App. 08/010,803
Microwave heating structure comprising an array of shaped elements
Inventor:
D. Gregory Beckett
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Jan 29, 1993
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.