Granted Patent
Utility
US 5,777,552 · App. 08/510,460
Curtain door alarm
Inventors:
Robert Gerard Fischette, Scot R. Newport
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Aug 2, 1995
Inventors
Robert Gerard Fischette
Scot R. Newport
Assignee (at issue)
Sentrol, 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.