Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498495 | Method and apparatus for testing fuel gas control systems for gas fired appliances | — | 2002-12-24 |
| 6455820 | Method and apparatus for detecting a dry fire condition in a water heater | — | 2002-09-24 |
| 6374046 | Proportional band temperature control for multiple heating elements | — | 2002-04-16 |
| 6363216 | Water heater having dual side-by-side heating elements | — | 2002-03-26 |