Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576142 | Method of treating agricultural equipment, alleys and lagoons in confined animal feeding operations | Russell J. Verdegaal | 2003-06-10 |
| 6372146 | Method of treating agricultural lagoons in confined animal feeding operations | Russell J. Verdegaal | 2002-04-16 |
| 4310343 | Process for making liquid fertilizer | William J. Verdegaal | 1982-01-12 |