87203883
Oct 14, 2016
Oct 10, 2017
Active Trademark
A transmitter that is worn by a person and is automatically water-activated if the person is submerged in water; Water-activated transmitter that begins to transmit at the 418Mhz frequency; Receivers that will pick-up the 418Mhz transmission and sound an alert when the transmission is received
Electrical and Scientific Apparatus