Mechanical coin checker
Mechanical timing device electronic upgrading mechanism
Mechanical vending machine
Mechanical vending machine having slidable pivotal coin analyzer
Mechanism for the reception and collection of coins in coin-oper
Medal reminant slot machine games
Media dispenser for vending machines
Medium-reserving apparatus for receiving and reserving individua
Merchandise chute shield for coin actuated bulk vending machines
Merchandise transaction machine and system with emergency operat
Merchandising machine with bulk coin hopper
Metal body discriminating apparatus
Metal body discriminating apparatus
Metal disc ejector
Metallic article discriminator
Meter box with hidden hinged door
Meter box with removable hinged door
Metered parking stall
Method and a means for recognizing a coin
Method and apparatus for a biometrically-secured...