73230243
Sep 5, 1979
Aug 18, 1981
Alarm Systems-Namely, Burglar, Fire, Personal Protection and Medical Alert Alarms, which When Activated Transmit a Microwave Signal Resulting in Notification of the Appropriate Parties (the Personal Protection and Medical Alert Alarms Comprise an Apparatus which is Carried on the Individual But Are Not Affixed to the Body in Any Way)
Electrical and Scientific Apparatus