Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9045887 | Mechanical trap toilet with dual flush of solid waste for water efficiency | — | 2015-06-02 |
| D681448 | Container | — | 2013-05-07 |
| 6332229 | Automated flap and cup cleaner water-saving toilet | Joseph Zappel | 2001-12-25 |