Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999792 | Method and apparatus for automatic fuel changeover | Gregory W. Anderson, William R. Landis, Paul B. Patton, Michael Seidel | 1991-03-12 |
| 4941609 | Method and apparatus for controlling firing rate in a heating system | James I. Bartels, Michael Seidel | 1990-07-17 |
| 4915613 | Method and apparatus for monitoring pressure sensors | William R. Landis, Michael Seidel | 1990-04-10 |
| 4343987 | Electric boiler | Stanley A. Williams | 1982-08-10 |