Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871362 | Pool cover spool | — | 2005-03-29 |
| 6725489 | Automatic pool cleaner accessory | — | 2004-04-27 |
| 5828146 | Apparatus for the bidirectional transfer of information | Gerhard Lorenz, Ernst Luhn | 1998-10-27 |