Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250820 | Process and apparatus for operating a firebox with solid gasifiable fuel having poor kindling properties and low volatile gas contents | — | 1981-02-17 |
| 4240590 | Blower beater mill | Hermann Hennecke | 1980-12-23 |