Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5562832 | Absorptive sludge dewatering process for papermaking waste | John E. Rude | 1996-10-08 |
| 5403020 | Split-ring seal | — | 1995-04-04 |
| 5192085 | Rubber drive system mechanical seal | — | 1993-03-09 |