Granted Patent
Utility
US 4,671,587 · App. 06/896,422
Child-proof outlet cover
Inventors:
Michael I. Lerner, Michael S. Bernstein, Robert Selame
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Aug 13, 1986
Inventors
Michael I. Lerner
Michael S. Bernstein
Robert Selame
Assignee (at issue)
Safety 1st, 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.