Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928666 | Toilet with self-contained ventilation system | — | 2005-08-16 |
| 6351860 | Bathtub chair lift | — | 2002-03-05 |
| 5991933 | Toilet with odor removal tube | — | 1999-11-30 |
| 5875496 | Toilet duct ventilation system | — | 1999-03-02 |
| 5839131 | Bathtub with chair lift | — | 1998-11-24 |
| 5522093 | Toilet ventilation system | — | 1996-06-04 |
| 5129112 | Bathtub chair lift | — | 1992-07-14 |