...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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 |
| 6752289 | Lottery ticket machine A lottery ticket machine includes a base frame, a face panel fixedly fastened to the base frame at a front side, the face panel having a transversely extended ticket slot, a rack fastened to the base frame to hold a serrated plate behind the ticket slot of the face ... | 06/22/2004 |
| 6375185 | Paper currency receiving control assembly for currency-coin exchange machine A paper currency receiving control assembly for currency-coin exchanging machine is constructed to include a paper currency receiving unit adapted to receive paper money, a paper currency delivery unit adapted to delivery paper money to the paper currency... | 04/23/2002 |
| 6349810 | Security unit for a paper currency receiving system for vending machine or the like A security unit installed in a paper currency receiving system in a vending machine at a rear side of a paper currency passage to stop recognized paper currency from being pulled backwards with an external object, the security unit including a holder bloc... | 02/26/2002 |
| 6193230 | Card output gap adjustment mechanism for a card stacker A card output gap adjustment mechanism installed in the casing of a card stacker and controlled to adjust a card output gap through which cards are individually driven out of the casing by a transmission mechanism, the card output gap adjustment mechanism... | 02/27/2001 |
| 6029972 | Toothed wheel operated adjusting device for card stacking machines A toothed wheel operated adjusting device for card stacking machines, in particular an adjusting device adapted for telephone cards and the like, including a receiving body, a conveyance device, and a press plate. The receiving body has a main frame and a... | 02/29/2000 |
| 5938073 | Card stacking and conveyance structure for automatic card vending machines A card stacking and conveyance structure adapted for use in automatic card vending machines such as telephone card vending machines, including a securing seat, a conveyance device, and a press plate. Cards are disposed in a receiving space of the securing... | 08/17/1999 |
| 5906366 | Card outlet clearance adjusting device for card stacking machines A card output clearance adjusting device for card stacking machines, in particular a clearance adjusting device adapted for telephone cards and the like, including a receiving body, a conveyance device, and a press plate. The receiving body has a main fra... | 05/25/1999 |
| 5896974 | Paper money exchanger A paper money exchanger of the type which comprises a housing which defines three receiving chambers for installing a paper money container, a circuit controlling device, a coins container, a coin guiding slot and a discharger is provided. The paper money... | 04/27/1999 |
| 5509646 | Money box with an anti-theft device A money box with an anti-theft device includes a motor gear housing, a paper money pressing lid and a paper money stacking case. The motor housing had a pair of racks disposed at both side walls of the housing. The bracket is locked to the motor housing. ... | 04/23/1996 |
| 5485907 | Paper money recognition and transmission system for vending machines A paper money recognition and transmission system including a housing with a paper money slot, an upper mainframe and a lower mainframe detachably connected together and mounted inside the housing, a transmission unit mounted on the lower mainframe and co... | 01/23/1996 |
| 5462150 | Collecting device for currencies A collecting device for currencies comprises a lower housing, a supporting bracket for the housing, an upper housing, a front lid and a rear housing. A plurality of rectangular openings and symmetrically disposed elongate slots are provided at the support... | 10/31/1995 |
| 5454462 | Structure of paper money recognition and transmission system A paper money recognition and transmission system including a housing with a paper money slot, an upper mainframe and a lower mainframe detachably connected together and mounted inside the housing, a transmission unit mounted on the lower mainframe and co... | 10/03/1995 |
| 5388817 | Note stacker mechanism A notes stacker assembly comprises a stacker assembly, a stacking mechanism and a notes collector. When the notes are feeded into an inserting slot of the receiving slot, the notes will be moved forward by the main actuating wheel together with the pulley... | 02/14/1995 |