Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332217 | Pinball game with moveable track mechanism | — | 1994-07-26 |
| 5330183 | Impact conveying flipper button | — | 1994-07-19 |
| 5324034 | Impact conveying flipper button | — | 1994-06-28 |
| 5238248 | Scoring mechanism for a pinball machine | — | 1993-08-24 |
| D337790 | Pinball game machine | Jerry W. Armstrong | 1993-07-27 |
| 5131654 | Automatic flipper actuator system for use in a pinball game | Jerry W. Armstrong | 1992-07-21 |
| 5064196 | Pinball machine having pivoted double-inclined playing surface | — | 1991-11-12 |
| 4971323 | Player controlled ball sensing device for use in a pinball game | — | 1990-11-20 |