Time clocks; computerized time clock with fingerprint recognition; electronically encoded badges and swipe cards for use with time clocks; optical testing instruments, namely, optical inspection apparatus; optical apparatus and instruments, namely, eyeglasses, lenses, spectrometers; optical frequency metrology devices; optical or telescopic lens sights; optical inspection apparatus for industrial use; calibration devices for calibrating optical emission spectrometers; fiber optic cable; fiber...

Energy efficient lighting fixtures and rechargeable, self-charging, and battery-operated light bulbs

Energy efficient lighting devices including rechargeable, self-charging, and battery-operated light bulbs