Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211405 | Dart board game cabinet | Bruce Allen | 1993-05-18 |
| 4979739 | Ball return control apparatus | Bruce Allen, Ullrich K. A. Kunnecke, Robert J. Brejcha, Edward K. Miguel | 1990-12-25 |
| 4726586 | Pool ball return control apparatus | Bruce Allen | 1988-02-23 |