Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6990760 | Lip for an excavation bucket | Schalk Willem Petrus Esterhuyse | 2006-01-31 |
| D478599 | Lip for an excavation bucket | Schalk Willem Petrus Esterhuyse | 2003-08-19 |
| 6581995 | Hoist arrangement for a dragline rigging | — | 2003-06-24 |