Granted Patent
Utility
US 4,281,237 · App. 06/017,509
Safety circuit for electric bedcover
Inventor:
Allen V. Berenson
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Mar 5, 1979
Inventor
Allen V. Berenson
Assignee (at issue)
Sunbeam Corporation Limited
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.