Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857176 | Reinforced molded polyurethane vibratory screen | L. Charles Matsch | 1989-08-15 |
| 4819809 | Reinforced polyurethane vibratory screen | — | 1989-04-11 |
| 4575421 | Non-clogging wear-reducing screen assembly for vibrating screening machine | Robert G. Derrick | 1986-03-11 |