85298027
Apr 18, 2011
Jul 3, 2012
Microprocessor based vacuum gauge pressure sensors, vacuum pressure measurement hardware, namely, hot cathode ionization gauges, cold cathode ionization gauges, convection enhanced transducers, ionization gauge transducers, capacitance diaphragm gauge transducers, low pressure indicators, vacuum pressure indicators, high vacuum pressure indicators, ultra-high vacuum pressure indicators, thermal conductivity vacuum pressure transducers, thermocouple vacuum pressure transducers, differential pressure transducers; vacuum pressure gauges and automatic vacuum valves for pressure flow control
Electrical and Scientific Apparatus