Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6901698 | Irrigation device and system | — | 2005-06-07 |
| 5897700 | Apparatus and integrated process for reclaiming paper mill sludge and producing useful products therefrom | — | 1999-04-27 |
| 5510310 | Floor dry material and method of manufacture | — | 1996-04-23 |
| 5505774 | Continuous flow process for treating waste cellulosic fiber and paper mill sludge | — | 1996-04-09 |
| 5456737 | Soil supplement and method of manufacture | — | 1995-10-10 |
| 5372314 | Method of manufacturing waste absorbent material | — | 1994-12-13 |
| 4931610 | Induction heated rotary kiln | William L. Hughes | 1990-06-05 |