Bizarre Patents
Nicotine Containing Dental Floss
Keep away cavities and cancer at the same time.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4575622 | Electronic access control system for coin-operated games and like selectively accessible devices An access control system for coin operated games and the like in its preferred embodiment includes cards with magnetic strips carrying identifications of the cards. The cards are obtained from a card dispenser in response to deposit of money. A keyboard i... | 03/11/1986 |
