"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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 |
| 5409093 | Coin consignment device The consignment device comprises a box (1) with two slots (2, 3) capable of receiving corresponding keys. The box is shaped to receive a key fitted with a receiver for a consignment coin so that the insertion of a second key unlocks a first coin-bearing k... | 04/25/1995 |
| 5121823 | Coin lock for a trolley A coin slide (11) bearing a coin is movable into a casing (2) of a coin lock (1) to release a locking member (14) and allow full insertion of the coin slide (11). In this position a space (recess 20) in the coin slide (11) is aligned with a space (apertur... | 06/16/1992 |
| 4953683 | Safe equipped with a permutation lock whose locking function is released by the insertion of a coin or coins A safe having a safe door which can be locked by means of a permutation lock. To permit the safe to be used by a series of different persons, the permutation lock (5) is equipped with an externally operatable device for resetting the combination, and also... | 09/04/1990 |
| 4732255 | Dispensing apparatus A dispensing apparatus 10 for elongate flat articles such as newspapers is described. The mechanism uses a rachet or pawl mechanism 36 or 36a to control a roller 23 or 23a rotatably mounted on a shaft 24 or 51 for dispensing the articles with the shaft an... | 03/22/1988 |
| 4446957 | Coin operated article dispensing mechanism A coin operated gumball dispensing slide mechanism is disclosed which has a coin slide slidable over a base plate. The coin slide has a gumball dispensing wall, an aperture for passage of a gumball from a reservoir to the gumball dispensing wall, an actua... | 05/08/1984 |