Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440795 | Hammer for use in shredders having replaceable pin holes | David N. Chon | 1995-08-15 |
| 5381972 | Downdraft shredder | David N. Chon | 1995-01-17 |
| 5381975 | Hammer for use in shredders having replaceable pin holes | David N. Chon | 1995-01-17 |
| 5381976 | Replaceable tip hammer | David N. Chon | 1995-01-17 |