About 1 Trademarks found for “iris instrument*”

scientific, surveying, geological or geochemical apparatus, in the form of instruments for laboratory or field measurements of physical or chemical parameters of rocks or air, namely, electrical resistance and earth resistivity meters; induced polarization, electromagnetic and magnetic resonance probes; magnetometers; gravity meters; seismographs; scintillometers; spectrometers; diffractometers; X-ray and radioactivity counters; pressure and temperature probes; specific electrodes, namely, ion concentration electrodes, conductivity electrodes, pH electronic electrodes, gas sensing electrodes; data loggers; drillhole instrumentation, namely data acquisition units showing drilling variables or the above listed physical or chemical parameters, and for transmitting and making a permanent record of those variables and parameters