Granted Patent
Utility
US 4,697,932 · App. 06/807,687
Multi-signal alarm
Inventor:
Miroslav Matievic
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Dec 11, 1985
Inventor
Miroslav Matievic
Assignee (at issue)
Emhart Industries, 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.