Card comprising an electronic circuit with obliterable credit el
Cart conveyor and dispenser apparatus
Change making system
Cheat preventing device for coin machines
Check receiving and testing apparatus
Chip structure
Cigarette dispensing apparatus
Circuit arrangement in a coin acceptor unit
Circuit-closing device actuated by a plurality of coins
Circular object's diameter determining device
Coat hanger vending machine
Coin accepting device
Coin acceptor
Coin acceptor apparatus
Coin acceptor or rejector
Coin acceptor or rejector
Coin actuated timer with audio output
Coin and paper money payout system
Coin apparatus
Coin apparatus having coin escrow and return means