Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896920 | Drum-cutter mining machine | Karl Weber | 1990-01-30 |
| 4828326 | Shearer loader for underground mining operation | Herbert Schupphaus | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896920 | Drum-cutter mining machine | Karl Weber | 1990-01-30 |
| 4828326 | Shearer loader for underground mining operation | Herbert Schupphaus | 1989-05-09 |