Granted Patent
Utility
US 4,263,489 · App. 06/072,090
Switch adjustment mechanism
Inventor:
Richard P. Bergeson
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Sep 4, 1979
Inventor
Richard P. Bergeson
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.