Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243965 | Heat producing gas log apparatus | Kenneth R. Maitland, Thomas J. Beal | 1993-09-14 |
| 5114336 | Method and apparatus for producing a yellow flame within a fireplace | Tadeusz Karabin | 1992-05-19 |
| 5062411 | Low pressure drop fireplace heat exchanger | Tadeusz Karabin | 1991-11-05 |
| 4976253 | Method and apparatus for burning gas in the combustion chamber of a fireplace | Thomas J. Beal, Tadeusz Karabin | 1990-12-11 |