Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7121547 | Carromboard adapted for challenging players of varying skill | — | 2006-10-17 |
| 6168110 | Dual bobbin mandrel | Keith Richard Koenig, Robert Eugene Marcum | 2001-01-02 |
| 5600478 | Laser marking arrangements | — | 1997-02-04 |
| 5530324 | Resonance reducing arrangements | Edwin D. Gaskell | 1996-06-25 |
| 5503492 | Clamp for securing tubular members | Robert E. Miller | 1996-04-02 |
| 5287595 | Furniture glide and pintle | — | 1994-02-22 |