Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156030 | Boat lift | Eric Derner, Alan A. Derner, Brian P. Derner | 2007-01-02 |
| 7051665 | Boat lift | Eric Derner, Alan A. Derner, Brian P. Derner | 2006-05-30 |
| 6983707 | Boat lift | Eric Derner, Alan A. Derner, Brian P. Derner | 2006-01-10 |
| 6907835 | Boat lift | Eric Derner, Alan A. Derner, Brian P. Derner | 2005-06-21 |