Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039781 | Precoated controlled release fertilizers and processes for their preparation | Harvey M. Goertz, William R. Johnson | 2000-03-21 |
| 5466274 | Abrasion resistant coatings for fertilizers | Alice P. Hudson, Fred E. Woodward, by Sam Woodward, executor, Harvey M. Goertz | 1995-11-14 |
| 5405426 | Processes for the preparation of sulfur coated fertilizers and products produced thereby | Harvey M. Goertz | 1995-04-11 |
| 5219465 | Sulfur coated fertilizers and process for the preparation thereof | Harvey M. Goertz, George R. McVey | 1993-06-15 |
| 4636242 | Sulfur-based encapsulants for fertilizers | — | 1987-01-13 |