Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873006 | Compositions containing active sulfur | Curtis R. Scharf | 1989-10-10 |
| 4846985 | Antioxidant compositions | S. Q. Abbas Rizvi, Charles P. Bryant, Kent B. Grover | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873006 | Compositions containing active sulfur | Curtis R. Scharf | 1989-10-10 |
| 4846985 | Antioxidant compositions | S. Q. Abbas Rizvi, Charles P. Bryant, Kent B. Grover | 1989-07-11 |