Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370236 | Separator device to separate dense particulate matter from less dense particulate matter | Joseph E. Wallace, Leo L. Castagno | 1994-12-06 |
| 5364539 | Method and means for screening solids from a liquid medium | Leo L. Castagno | 1994-11-15 |