Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239936 | Low-temperature ashing of hazardous plastic waste | Robert P. Wichner, Ivan L. Morgan, Helen W. Jermyn | 1993-08-31 |
| 5167711 | Low-temperature ashing of hazardous plastic waste | Robert P. Wichner, Ivan L. Morgan, Helen W. Jermyn | 1992-12-01 |
| 4828761 | Process for impregnating a concrete or cement body with a polymeric material | Alfred J. Mattus | 1989-05-09 |