Granted Patent
Utility
US 5,408,217 · App. 08/210,431
Secure fire/security/sensor transmitter system
Inventor:
Hugh B. Sanderford, Jr.
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Mar 21, 1994
Inventor
Hugh B. Sanderford, Jr.
Assignee (at issue)
Sanconix, 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.