Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8556309 | Multi-function trash picking device | — | 2013-10-15 |
| 5221476 | Hydrocyclone conduits | Richard R. Papetti, James D. Livsey | 1993-06-22 |
| 5096587 | Hydrocyclone conduit | — | 1992-03-17 |
| 5078878 | Pressure knotter screening apparatus | — | 1992-01-07 |