Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341794 | Combustion device for stoves and fireplaces | Daniel S. Henry | 1994-08-30 |
| 5113843 | Combustion device for stoves and fireplaces | Daniel S. Henry | 1992-05-19 |
| 4766876 | Wood stove | Daniel S. Henry | 1988-08-30 |