Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628811 | Method of ameliorating acid soil to enhance plant growth | John W. College, K. Dale Ritchey, Virupax C. Baligar, Ralph B. Clark | 1997-05-13 |
| 5481989 | Method of collecting and conditioning a petroleum coke fluid bed combustion ash | John C. Davis | 1996-01-09 |