Access control system

Adjustable counterweight for one-armed coin cradle

Adjustable oversize coin detector assembly

Adjustable price setting mechanism for a vending machine

Air compressor and dispenser

Amusement device

Anti-cheat mechanism for coin actuated vending machine

Anti-slug mechanism for a coin operated device

Anti-stringing device for a coin detecting device

Anti-theft parking system

Anti-vandal credit card gate

Apparatus and method for coin diameter computation

Apparatus and method for return of empty aluminum cans

Apparatus and method for selecting from coins or tokens

Apparatus for beverage container recovery and deposit refund sys

Apparatus for collection of metallic containers and method there

Apparatus for controlling a coin sorting machine

Apparatus for detecting different kinds of coins for use in a co

Apparatus for dispensing bank notes

Apparatus for facilitating pick up of dry cleaning