Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248252 | Enhanced radiant output burner | John L. de Ris | 1993-09-28 |
| 4309291 | Method of and apparatus for continuous flow flocculation and clarification | Ronald F. Probstein | 1982-01-05 |