Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537611 | Machine system and process for producing attrition resistant slow release fertilizers | John H. Detrick | 2003-03-25 |
| 5858094 | Machine system and process for producing attrition resistant slow release fertilizers | John H. Detrick | 1999-01-12 |
| 5547486 | Machine system and process for producing attrition resistant slow release fertilizers | John H. Detrick | 1996-08-20 |
| 5374292 | Machine system and process for producing attrition resistant slow release fertilizers | John H. Detrick | 1994-12-20 |
| 4506453 | Enhanced heat transfer process by forced gas recirculation | Arthur R. Shirley, Jr. | 1985-03-26 |
| 4424176 | Process for granulation of molten materials | Arthur R. Shirley, Jr. | 1984-01-03 |