Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898365 | Device for checking the closed state of a door mounted on an object, especially on a motor vehicle | — | 1999-04-27 |
| 5735379 | Money-operated entertainment device | Ullrich Schulze, Andreas Buchholz | 1998-04-07 |
| 5691964 | Music playing system with decentralized units | Anton Huber, Armin Frank | 1997-11-25 |
| 5562549 | Automatic bowling alley | Ullrich Schulze, Wilhelm Menke, Boerge Heidersberger, Joachim Herrmann, Bernd Muendel +1 more | 1996-10-08 |
| 5557086 | Game machine system with money-processing station | Ullrich Schulze, Hans-Joachim Pickardt | 1996-09-17 |
| 5539712 | Lifting and lowering device for a record playback unit in a record playing device | Wilhelm Menke, Ullrich Schulze, Boerge Heidersberger | 1996-07-23 |
| 5537371 | Disk play-back device with removable disk magazines | Boerge Heidersberger | 1996-07-16 |
| 5513846 | Coin-operated entertainment machine | Horst Heinen, Konrad Rieck | 1996-05-07 |
| 5413357 | Program controlled entertainment and game apparatus | Ullrich Schulze, Peter Kuhn, Armin Frank | 1995-05-09 |
| 5370306 | Coin-operated entertainment machine | Ulrich Schulze | 1994-12-06 |
| 5341350 | Coin operated jukebox device using data communication network | Armin Frank | 1994-08-23 |