Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10136655 | Saw blade illuminating safety device | — | 2018-11-27 |
| 6071181 | Knife sharpening machine | John Wightman, Dennis Peth, Walter J. Woehler, Jim Campbell | 2000-06-06 |
| 4230657 | Method and apparatus for producing artificial greenery | Dennis Peth | 1980-10-28 |