Granted Patent
Utility
US 4,292,483 · App. 06/125,175
Ignition switch with starter lockout
Inventor:
Leo Roytberg
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Feb 27, 1980
Inventor
Leo Roytberg
Assignee (at issue)
Joseph Pollak 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.