Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409916 | Filter element for pool-cleaning device | Freddy Derfler | 2002-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409916 | Filter element for pool-cleaning device | Freddy Derfler | 2002-06-25 |