Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10947750 | Swimming pool cleaner | Dieter J. Rief, Hans Rainer Schlitzer, Rosemarie Rief, Benoit Joseph Renaud | 2021-03-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10947750 | Swimming pool cleaner | Dieter J. Rief, Hans Rainer Schlitzer, Rosemarie Rief, Benoit Joseph Renaud | 2021-03-16 |