87521351
Jul 10, 2017
Feb 6, 2018
Active Trademark
switches, namely, pressure switches for determining when a threshold pressure has been reached and opening or closing an electrical circuit; vacuum pressure switches for determining when a threshold pressure below ambient has been reached and opening or closing an electrical circuit; differential switches; temperature switches; and level switches for monitoring and controlling liquids and/or particulate media in tanks and vessels
Electrical and Scientific Apparatus