Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6155427 | Zoned pressure screen | — | 2000-12-05 |
| 5022984 | Froth flotation apparatus and method | Christopher M. Vitori, Irenee J. Phillippe, Paul G. Marsh | 1991-06-11 |
| 4538767 | Apparatus for recovering paper-making fiber from contaminated waste paper products | — | 1985-09-03 |