Transducers, namely, photoelectric transducers and Internet of Things transducers, that utilize ultrasonic oscillations to test for stress and fatigue in metal and metal structures; couplers being data processing equipment; optical communication instrument, namely, optical fiber connectors, optical cable connectors, optical modules, optical fiber amplifiers, optical switches, active optical devices in the nature of sensors, passive optical devices in the nature of sensors, wavelength division...

Couplers for communication equipment, namely, acoustic couplers, fiber optical coupler, Special Wavelength Coupler, Single Mode Broadband Fiber Coupler, Single Mode Broadband Tree Fiber Coupler; Optical communication devices for use with computer hardware, namely, internet video cameras, optical transmitters, optical receivers, optical data links, optical transceivers, cable television transmitters, digital transmitters, communication link testers for testing communication links; Detectors, n...