Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572583 | Cutting head for drift advancing machines and process for producing same | Wilfried Maier, Franz Schoffmann, Herwig Wrulich | 1986-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572583 | Cutting head for drift advancing machines and process for producing same | Wilfried Maier, Franz Schoffmann, Herwig Wrulich | 1986-02-25 |