Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905420 | Grinder with dust exhaust means | Gert Flachenecker, Gustav Schuhmacher, Fritz Gramm | 1990-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905420 | Grinder with dust exhaust means | Gert Flachenecker, Gustav Schuhmacher, Fritz Gramm | 1990-03-06 |