Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503738 | Apparatus for biological remediation of vaporous pollutants | Louis J. DeFilippi, Francis Stephen Lupton | 1996-04-02 |
| 5413714 | Process for biological remediation of vaporous pollutants | Louis J. DeFilippi, Francis Stephen Lupton | 1995-05-09 |
| 5149447 | Creosote filtration system with a shell and tube type filtration device | Roger L. Haley, Joe E. Payne, C. Conrad Kempton | 1992-09-22 |