Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251925 | Apparatus for drying tobacco | Gerhard Graalmann | 1981-02-24 |
| 4194515 | Method and apparatus for conditioning burley or greenleaf tobacco | Gerhard Graalmann, Reinhard Hohm, Peter Schwarz | 1980-03-25 |