Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133626 | Mobile stope support apparatus | John Barratt, Klaus H. Schneider, Horst W. Kielmann, Raymond G. Tarr | 1992-07-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133626 | Mobile stope support apparatus | John Barratt, Klaus H. Schneider, Horst W. Kielmann, Raymond G. Tarr | 1992-07-28 |