Granted Patent
Utility
US 4,483,082 · App. 06/367,426
Single relay for motor and heater control
Inventor:
David I. Ellingson
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Apr 12, 1982
Inventor
David I. Ellingson
Assignee (at issue)
Maytag Corporation
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.