Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6776295 | Solid-liquid filtering method and system for sewage, waste water and the like | — | 2004-08-17 |
| 6508942 | Solid-liquid filtering method and system for sewage, waste water and the like | — | 2003-01-21 |
| 6131220 | Mat for nursing bed | — | 2000-10-17 |
| 5942113 | Solid-liquid separating filter medium for sewage, waste water, etc | — | 1999-08-24 |