Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5809895 | Split tool mechanical vibrator | Craig A. Sandsted | 1998-09-22 |
| 5730059 | Split tool mechanical vibrator | Craig A. Sandsted | 1998-03-24 |
| 5584248 | Split tool mechanical vibrator | Craig A. Sandsted, Roy Moore, Anthony P. Delucia | 1996-12-17 |