Wagering system
Walk-up printing
Walkaway crediting
Wallace-tree multipliers using half and full adders
Wallet card with built-in light
Wallet consolidator
Wallpaper printing system
Walsh function generator
Wand readers
Warehousing communications system
Warning timer for users of interactive systems
Warranty managing process
Warranty retention system
Waste classification system and method
Waste processing system and method
Waste water heat recovery system and method
Watch comprising an electronic tourist guide
Watch dog timer system
Watch including a contactless control device for a computer...
Watchdog timer