Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072834 | Screening apparatus for paper making stock | David E. Suica, Gary S. Williamson | 1991-12-17 |
| 5028315 | Froth flotation apparatus and method | Ronald D. Cruea | 1991-07-02 |
| 4722793 | Apparatus and method for thickening pulp and paper stock | Peter Seifert, Larry D. Markham | 1988-02-02 |