Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782578 | Swimming pool pressure cleaner with internal steering mechanism | Dieter J. Rief | 2004-08-31 |
| 6706175 | Debris-capturing apparatus for pressure cleaners | Dieter J. Rief, Rosemarie Rief | 2004-03-16 |