Granted Patent
Utility
US 4,455,319 · App. 06/395,808
Method of effecting long wavelength radiation cooking
Inventor:
Robert Clark
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Jul 6, 1982
Inventor
Robert Clark
Assignee (at issue)
Toastmaster, 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.