Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627170 | Shaft guide alignment measurement | — | 1986-12-09 |
| 4564330 | Skip filling apparatus and method | Renier P. Swart | 1986-01-14 |
| 4434876 | Guide roller for skip or cage | — | 1984-03-06 |