73221585
Jun 27, 1979
Jul 21, 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