Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329975 | Solid fuel stove utilizable as a fireplace | Gerhard Debus, Gunter Herrmann | 1982-05-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329975 | Solid fuel stove utilizable as a fireplace | Gerhard Debus, Gunter Herrmann | 1982-05-18 |