Granted Patent
Utility
US 5,461,365 · App. 08/330,901
Multi-hazard alarm system using selectable power-level transmission and localization
Inventors:
Dan Schlager, William B. Baringer
Patented Case
View Patent ↗
Granted: Oct 24, 1995
Filed: Oct 27, 1994
Inventors
Dan Schlager
William B. Baringer
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.