Granted Patent
Utility
US 4,542,268 · App. 06/116,073
Browning heater for a microwave oven
Inventors:
George A. Jarvis, Larry M. Sivertson
Patented Case
View Patent ↗
Granted: Sep 17, 1985
Filed: Jan 28, 1980
Inventors
George A. Jarvis
Larry M. Sivertson
Assignee (at issue)
Litton Systems, 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.