Granted Patent
Utility
US 4,470,039 · App. 06/422,137
Premise alarm shunt arrangement
Inventor:
John E. McBrian
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Sep 23, 1982
Inventor
John E. McBrian
Assignee (at issue)
American Standard 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.