Acoustic conduits; Acoustic couplers; Acoustic coupling devices; Burglar alarms; Cabinets for loudspeakers; Diagnostic apparatus for identifying refrigerant type and purity in automobile air conditioning systems; Distance measuring apparatus; Electronic anti-theft system comprised of a bar code scanner that allows manufacturers to temporarily disable electronic goods during the manufacturing process and allows retailers to enable such goods upon receiving the purchase price for the goods; Electronic apparatus for the remote control of industrial operations; Encoded key cards; Eyeglasses; GPS navigation device; Keyless entry system and keyless ignition switch system for automotive vehicles comprised of a microprocessor, electronic signal receiver, and keyfob with electronic signal transponder; Measuring apparatus for temperature and humidity levels in gases and solid substances; Measuring apparatus, namely, laser distance meters; Measuring instrumentation and apparatus, namely, digitizers; Navigation apparatus for vehicles; Pedometers; Protective helmets; Protective helmets for sports; Remote control starters for vehicles; Remote control telemetering machines and apparatus; Remote controls for vehicles, cars, boats, radios, televisions, stereos, set-top boxes, mobile phones; Satellite-aided navigation systems; Self-timers; Spectacles; Speed indicators; Temperature sensors; Theft alarms; Vehicle tracking devices comprised of cellular radio modules, computer software and computer hardware, sensors, transmitters, receivers and global positioning satellite receivers, all for use in connection with vehicle tracking, vehicle monitoring and anti-theft vehicle alarms; Wheel alignment measuring apparatus, namely, roll test stands; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, remote metering systems, vehicle tracking devices, energy and utility systems, security systems, lighting systems, vehicles, cars, boats, radios, televisions, stereos, set-top boxes, mobile phones