Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619173 | Vibratory fiber chopper | — | 2003-09-16 |
| 6527211 | Blade and spring fiber chopper | — | 2003-03-04 |
| 6517017 | End mill fiber chopper | — | 2003-02-11 |
| 4959401 | Synthetic rock composition of matter and method of preparation | Kenneth W. Lundrigan | 1990-09-25 |