Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11904325 | Method and device for the treatment of granular grinding stock or grinding stock mixtures | — | 2024-02-20 |
| D709109 | Grinding attachment | — | 2014-07-15 |
| 5564636 | Millwork for a grain mill | Ralf Pigge, Helmut Mann | 1996-10-15 |
| D363411 | Corn mill | Ralf Pigge | 1995-10-24 |