Amplifiers; Photocopiers; Smartglasses; Telescopes; Audio equalizer apparatus; Automatic cash registers; Barcode scanners; Beekeeping suits for protection against accident or injury; Biometric fingerprint door locks; Color blindness correction glasses; Downloadable software to control and improve audio equipment sound quality; Electric door bells; Fax machines; Fire blankets; Loud speakers; Neon signs; Slide film mounts; Smart rings; Sound projectors; Thermal printers