Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143543 | Biological conversion method | Joseph L. Young | 1992-09-01 |
| 5102104 | Biological conversion apparatus | Joseph L. Young | 1992-04-07 |
| 5006320 | Microbiological oxidation process for recovering mineral values | Joseph L. Young | 1991-04-09 |
| 4267847 | Tobacco additives | — | 1981-05-19 |