Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370218 | Apparatus for hauling coal through a mine | George F. Johnson, Jr. | 1994-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370218 | Apparatus for hauling coal through a mine | George F. Johnson, Jr. | 1994-12-06 |