Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7797780 | Wheel arrangement for swimming pool cleaner | Richard Holstein | 2010-09-21 |
| 7488415 | Disposable salt chlorine generator | Richard Holstein | 2009-02-10 |
| 7445720 | Salt chlorine generator | Richard Holstein | 2008-11-04 |
| 7213287 | Swimming pool cleaner | — | 2007-05-08 |
| 7077537 | Underwater light for soft-sided aboveground pools | — | 2006-07-18 |
| 7014753 | Salt chlorine generator | Richard Holstein | 2006-03-21 |
| 6315424 | Underwater safety lighting device for swimming pools | — | 2001-11-13 |
| 5910772 | Pool alarm | — | 1999-06-08 |
| 5786761 | Gate opening alarm with resetting disable means | — | 1998-07-28 |
| 5701981 | Retractable power cord | Trevor J. Marshall, Jr., Thomas K. Wong | 1997-12-30 |