Coin-validating arrangement

Coins organized identification numbering system apparatus and me

Combined new oil vending and waste oil removing apparatus

Composite vending circuit disposable in single- and multiple-pri

Conditioning time control for vending by selection

Connector assembly with resinous material securing electrical ca

Consumable card activated apparatus

Container collection apparatus with electromagnetic sensor and m

Container collection apparatus with piston-actuated crusher

Container deposit refund system

Container redemption apparatus and process

Container return apparatus

Control circuit for bill and coin changer

Control circuit for bill and coin changer

Control circuit for multi-denomination cash dispenser

Control circuit for pay telephones and the like

Control device

Control device for a coin operated mechanism

Control device for a vending machine including system for confir

Control for a vendor including card retention means