72077626
Jul 13, 1959
Feb 16, 1960
MECHANICALLY OPERABLE AUDIBLE ALARMS TRIPPED BY FUSIBLE ELEMENTS TO WARN OF THE EXISTENCE OF FIRE; AND MECHANICALLY OPERABLE AUDIBLE ALARMS TRIPPED BY FUSIBLE ELEMENTS TO WARN OF THE EXISTENCE OF FIRE AND ALSO TRIPPED MANUALLY TO WARN OF THE PRESENCE OF INTRUDERS
Firearms