Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219465 | Sulfur coated fertilizers and process for the preparation thereof | Harvey M. Goertz, Richard J. Timmons | 1993-06-15 |
| 4824473 | Treatment of plants with a combination fertilizer composition | Kenneth Tornberg, Larry R. Widell, George E. Wood | 1989-04-25 |
| 4704160 | Combination fertilizer composition | Kenneth Tornberg, Larry R. Widell, George E. Wood | 1987-11-03 |