Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405953 | Impeller shoe for an impact crusher | — | 2002-06-18 |
| D429741 | Pocketed impeller shoe | — | 2000-08-22 |
| RE32363 | Anvil assembly for vertical shaft centrifugal impact crushing machine | Gregory George Tenold | 1987-02-24 |
| RE32355 | Impeller shoe assembly | Gregory George Tenold | 1987-02-17 |
| 4397426 | Shoe bracket assembly for vertical shaft impact crushing machines | Donald Warren | 1983-08-09 |
| 4355769 | Impeller shoe assembly | Gregory George Tenold | 1982-10-26 |
| 4347988 | Anvil assembly for vertical shaft centrifugal impact crushing machine | Gregory George Tenold | 1982-09-07 |