Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5800058 | Vortex elimination device | — | 1998-09-01 |
| 5769360 | Easy transport seat | Steven Kerbis | 1998-06-23 |
| 4645112 | Riveting machine | John W. Davern | 1987-02-24 |
| 4515302 | Riveting machine | John W. Davern | 1985-05-07 |