Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524859 | Rail assembly for underground coal-getting machines | Heinrich Schulte | 1985-06-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524859 | Rail assembly for underground coal-getting machines | Heinrich Schulte | 1985-06-25 |