Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256182 | Microbiocidal combinations of materials and their use | Lester A. Friedman, Jr. | 1993-10-26 |
| 4975109 | Microbiocidal combinations of materials and their use | Lester A. Friedman, Jr. | 1990-12-04 |