Granted Patent
Utility
US 4,743,829 · App. 07/020,700
Plug-in device with slide cover over plug prongs
Inventors:
Kenneth R. Fenne, Wayne D. Steward, Witalij Didyk
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Mar 2, 1987
Inventors
Kenneth R. Fenne
Wayne D. Steward
Witalij Didyk
Assignee (at issue)
Pittway 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.