Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618413 | Ecological fluidized bed system | James Shaw | 1997-04-08 |
| 5486291 | Ecological fluidized bed method for the treatment of polluted water | James Shaw | 1996-01-23 |
| 5389257 | Method for treating water | Barry D. Silverstein | 1995-02-14 |
| 5087353 | Solar aquatic apparatus for treating waste | Barry D. Silverstein | 1992-02-11 |
| 4453445 | Saxophone valve key | — | 1984-06-12 |