Granted Patent
Utility
US 4,916,264 · App. 07/304,221
Rotary switch
Inventor:
John Walter
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Jan 31, 1989
Inventor
John Walter
Assignee (at issue)
Continental Can Company, 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.