9
Electronic instruments, namely, non-contact laser, fiber-optic and capacitance measurement instruments for measuring displacement, position, vibration and gage thickness; electronic instruments, namely computerized measurement systems comprised of sensors, amplifiers and computer hardware and software for measuring semiconductor or semi-insulating wafer material dimensions and characteristics; electronic instruments for measuring and analyzing imbalance and vibration of rotating machinery and performing engine trim balance for commercial and military aviation, and amplifiers therefor; electronic calibrators for calibrating instruments that measure and analyze imbalance and vibration of rotating machinery and perform engine trim balance for commercial and military aviation and amplifiers therefor, in International Class 009