Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878714 | Cutting machine for cutting and carrying away material from a work face | Krzysztof J. Rutkowski | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878714 | Cutting machine for cutting and carrying away material from a work face | Krzysztof J. Rutkowski | 1989-11-07 |