Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478573 | Electronic detecting of flame loss by sensing power output from thermopile | — | 2002-11-12 |
| 6346789 | Motor step-less speed control with active feedback of phase detector | Douglas D. Bird | 2002-02-12 |