|
| US4347860 | 27 oct. 1980 | 7 sept. 1982 | Kabushiki Kaisha Nippon Coinco | General coin counting device for automatic vending machine |
| US4541519 | 5 janv. 1984 | 17 sept. 1985 | Cyclonic Equipment Co., Inc. | Coin-operated, elapsed time apparatus |
| US4864549 | 20 févr. 1987 | 5 sept. 1989 | | Microcomputer timer |
| USRE33314 | 7 juil. 1987 | 28 août 1990 | Mars Incorporated | Vending machine power switching apparatus |
