Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11668080 | Water conserving shower system and thermochromic fixtures used therein | — | 2023-06-06 |
| 11193259 | Water conserving shower system and thermochromic fixtures used therein | — | 2021-12-07 |
| 10538902 | Water conserving shower systems | — | 2020-01-21 |
| 5068900 | Voice recognition system | Franz Kavan | 1991-11-26 |
| 5003603 | Voice recognition system | Franz Kavan | 1991-03-26 |