75804750
Sep 21, 1999
Nov 20, 2001
Mechanical pressure regulators, namely, automatic pressure switches; electronic control apparatus, namely, electronic control automatic valves; pressure regulators, namely, electronic pressure switches; electronic level switches; pinch valves, namely, pinch solenoid valves for automatically pinching and releasing a soft tube to control flow of fluid through the tube; and thermostats
Electrical and Scientific Apparatus