Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341739 | Phosphoric acid ammoniation apparatus | John D. Ellis, George Crichton, George C. Morris | 1982-07-27 |
| 4334907 | Phosphoric acid ammoniation process to produce liquid fertilizers | John D. Ellis, George Crichton, George C. Morris | 1982-06-15 |
| 4185075 | Phosphoric acid ammoniation apparatus with water quench | John D. Ellis, George Crichton, George C. Morris | 1980-01-22 |