Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570365 | Digging tooth and bucket lip construction | — | 1986-02-18 |
| 4413432 | Wedge and clamp locking system | — | 1983-11-08 |
| 4360981 | Lip and tooth combination for bucket wheel excavator | Stanton F. Bierwith | 1982-11-30 |