Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959876 | Method and apparatus for safety switch | Douglas D. Bird | 2005-11-01 |
| 6955301 | Water heater and control | Sybrandus Munsterhuis | 2005-10-18 |
| 6920377 | Self-sustaining control for a heating system | — | 2005-07-19 |
| 6862165 | Method and apparatus for valve control | Timothy J. Nordberg | 2005-03-01 |