Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666521 | System for controlling cutting horizons for continuous type mining machines | John W. Ramsden, Jr. | 2003-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666521 | System for controlling cutting horizons for continuous type mining machines | John W. Ramsden, Jr. | 2003-12-23 |