AIGTEK

Amplifiers; Computer-controlled apparatus for testing and measuring radio frequency signals, concentrations of gas and liquids, audio signals; Computer programs, recorded, for use in database management, use in electronic storage of data; Educational apparatus, namely, blocks used as teaching aids for modeling chemical compounds, visualization of math concepts; Electric transformers; Electronic apparatus for testing compression, strength, hardness and tensile characteristics of industrial materials; Electronic devices for measuring electric current; Frequency stabilizers; Integrated circuits; Measuring apparatus, namely, clamp meters for measuring electricity; Measuring instrumentation and apparatus, namely, digitizers; Precision theodolites; Radiation gauges used for measuring the physical properties of materials; Surveying instruments; Thread counters; Voltage stabilizing power supply