Granted Patent
Utility
US 4,647,832 · App. 06/748,304
Three position switch for portable, rechargeable device
Inventors:
Kenneth R. Fenne, Wayne D. Steward, Witalij Didyk
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Jun 24, 1985
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.