Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557873 | Method of treating sludge containing fibrous material | Ronald V. Peterson | 1996-09-24 |
| 5428906 | Sludge treatment system | Gerald F. Nelson, David H. Meese, Ronald V. Peterson, Michael G. Ruby, Alan D. White | 1995-07-04 |
| 5279637 | Sludge treatment system | Gerald F. Nelson, David H. Meese, Ronald V. Peterson, Michael G. Ruby, Alan D. White | 1994-01-18 |