Granted Patent
Utility
US 4,516,007 · App. 06/409,685
Interlock switch module for a microwave oven
Inventors:
Mark G. Ringdahl, Lambert L. Raymond, Richard J. Scherer
Patented Case
View Patent ↗
Granted: May 7, 1985
Filed: Aug 19, 1982
Inventors
Mark G. Ringdahl
Lambert L. Raymond
Richard J. Scherer
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.