79015987
Sep 21, 2005
Aug 28, 2007
Waterproof communication system encased in a hard or soft helmet for use in sports coaching in the nature of an apparatus for recording, transmission or reproduction of sound or images; remote controls for use with the said waterproof communication system; radio transmitters and receivers for remote controls, radio controls; electric or electronic sensors for monitoring the signal strength and power output of the said waterproof communication system; telecommunication transmitters [ ; telecommunication transmitting sets, namely, telephone sets; signalling instruments and apparatus, namely, signal bells and signal whistles ]
Electrical and Scientific Apparatus