Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254655 | Processes for preparing granular composite fertilizer compositions and products produced thereby | — | 2001-07-03 |
| 6039781 | Precoated controlled release fertilizers and processes for their preparation | Richard J. Timmons, William R. Johnson | 2000-03-21 |
| 5466274 | Abrasion resistant coatings for fertilizers | Alice P. Hudson, Fred E. Woodward, by Sam Woodward, executor, Richard J. Timmons | 1995-11-14 |
| 5405426 | Processes for the preparation of sulfur coated fertilizers and products produced thereby | Richard J. Timmons | 1995-04-11 |
| 5219465 | Sulfur coated fertilizers and process for the preparation thereof | Richard J. Timmons, George R. McVey | 1993-06-15 |
| 5102440 | Granular slow release fertilizer composition and process | William E. Gallant, Richard I. Martinez | 1992-04-07 |
| 4954154 | Controlled release fertilizer gel composition and process for its production | — | 1990-09-04 |
| 4411683 | Process of preparing solid controlled release fertilizer composition | — | 1983-10-25 |
| 4378238 | Controlled release particulate fertilizer composition | — | 1983-03-29 |