Granted Patent
Utility
US 6,518,889 · App. 09/728,167
Voice-activated personal alarm
Inventors:
Dan Schlager, William B. Baringer
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Dec 1, 2000
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.