Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617841 | Grate with self ignitor for burning pellet fuel | Oliver J. Whitfield | 1997-04-08 |
| 5488943 | Self-distributing combustion grate for pellet fueled stoves | Oliver J. Whitfield | 1996-02-06 |