Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609033 | Apparatus for compacting foundry mold making materials | Norbert Damm, Werner Geiger, Gunter Muller | 1986-09-02 |
| 4588017 | Apparatus for compacting molding sand using pressurized gas | Norbert Damm | 1986-05-13 |
| 4538664 | Process and apparatus for compacting mold material | Norbert Damm | 1985-09-03 |
| 4529026 | Method for compacting foundry mold making materials | Norbert Damm, Werner Geiger | 1985-07-16 |