Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345769 | Water heating apparatus with sensible and latent heat recovery | — | 2002-02-12 |
| 5983986 | Regenerative bed heat exchanger and valve therefor | Robert Bamsey | 1999-11-16 |
| 5881952 | Heater for liquids | — | 1999-03-16 |
| 4723095 | Daytime running lights using turn signal lamps | Raymond Svazas | 1988-02-02 |