88319012
Feb 27, 2019
Dec 1, 2020
Active Trademark
Wireless communication devices, namely, wireless intercom systems consisting primarily of a control base station, user configurable beltpack and transceiver-antenna for transmitting and receiving voice data and text data; Wireless communication devices, namely, wireless intercom systems consisting primarily of a controller cards, user configurable beltpack and transceiver-antenna for transmitting and receiving voice data and text data
Electrical and Scientific Apparatus