Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 6821199 | Vending machine with improved coin box and supplemental base support for unloading access to the box A bulk vending machine with a rigid base supporting a case with a merchandise storage container thereon, wherein the base, and any coin tray therein, incorporate a substantially maximized coin receiving footprint, with or without coin tray, while applying an assembl... | 11/23/2004 |
| 6568589 | Coin-emptying device for a column-shaped slot machine A coin-emptying device for a column-shaped slot machine. A hopper (10) is provided for storing coins and having an outlet opening (11). A coin-discharge drawer (20) is movable between a "closed" first position in which the drawer closes the outlet opening... | 05/27/2003 |
| 6390360 | Coin dispenser A coin container (12) for a coin-dispensing apparatus (10) comprises a portable enclosure (22) for enclosing a plurality of randomly-arranged loose coins. The enclosure includes a closeable coin input opening and a closeable coin output opening. The enclo... | 05/21/2002 |
| 6364204 | Coin catcher and container A receptacle for catching and containing coins being disgorged by a slot machine or similar gaming apparatus is disclosed. The receptacle eliminates the necessity of transferring coins from a disbursement pan into a container. The receptacle includes a bu... | 04/02/2002 |
| 5944254 | Savings coin box with controllable music box A savings coin box with controllable music box which includes a body, a music box, a control device and other elements. The music box is transversely positioned on the supporting disk on the cylindrical body, and a control device is installed above the mu... | 08/31/1999 |
| 5913475 | Anti-stuffing coin return for a telephone paystation An improved anti-stuffing coin return for a telephone paystation, which is highly resistant to explosives due to front and rear openings, has a pair of diverging side walls and at least one internal movable plate, all made from a high strength material. T... | 06/22/1999 |
| 4058356 | Jewelry box A jewelry box is provided for all kinds of jewelry, costume or otherwise, precious jems, etc., whereby all kinds may be kept in one place, segregated, easy of access, and occupying little space. It is of upright rectangular form slightly tapered, with two... | 11/15/1977 |
