Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451249 | Landfill gas treatment system | Ronald J. Spiegel, Richard A. Sederquist, John C. Trocciola, Herbert C. Healy, Roger R. Lesieur | 1995-09-19 |
| 4643956 | Coke filled separator plate for electrochemical cells | William A. Taylor | 1987-02-17 |