Microphones, coaxial cables, headsets for radios, headphones; radio frequency filters; filters for radio frequency bandwidth selection, filters to protect against bandwidth interference; radio transceivers; radio receivers; modification kits that provide replacement parts in radios

MEDICAL DEVICES, NAMELY, HYPODERMIC NEEDLES, SYRINGES, CATHETERS, GUIDEWIRE PLACEMENT DEVICES, AND PERFUSION ADAPTERS

SINGLE CRYSTALS-NAMELY, HARMONIC GENERATOR CRYSTALS, X-RAY ANALYZING CRYSTALS, PIEZOELECTRIC CRYSTALS, OPTICAL CRYSTALS, INFRA-RED CRYSTALS, FERROELECTRIC CRYSTALS, PYROELECTRIC CRYSTALS, AND ELECTRO-OPTIC CRYSTALS; LASERS; OPTICAL PARAMETRIC OSCILLATORS; ELECTRO-OPTIC LIGHT MODULATORS, Q-SWITCHES, MODE LOCKERS, PHASE AND FREQUENCY SHIFTERS, LASER TRIGGERED SPARK GAPS, AND SINGLE PULSE SELECTION SYSTEMS; HARMONIC GENERATOR SYSTEMS; POLARIZERS; WAVE PLATES AND ROTATORS; FILTERS; PRISMS; PRISM ...