Granted Patent
Utility
US 5,668,929 · App. 08/686,824
Speech activated security systems and methods
Inventor:
Richard Foster
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Jul 22, 1996
Inventor
Richard Foster
Assignee (at issue)
Hirsch Electronics Corporation
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.