Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224762 | Sliding seal for mining machine power tranmission | — | 1993-07-06 |
| 5069587 | Securing nut apparatus | — | 1991-12-03 |
| 4648660 | Method and apparatus for mining machine cutter head | John P. Mann, Charles H. Fox | 1987-03-10 |