Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560831 | Method and apparatus for treating water used for washing agricultural products including coagulation and ozone treatment | Paul P. Nunn, Paul J. Nunn | 1996-10-01 |
| 5241720 | Laundry waste water treatment and wash process | Richard Engel, John B. Gallo, Keith R. Schneider | 1993-09-07 |
| 5181399 | Laundry waste water treatment and wash apparatus | Richard Engel, John B. Gallo, Virginia F. Engel | 1993-01-26 |
| 5097556 | Laundry waste water treatment and wash process | Richard Engel, John B. Gallo, Virginia F. Engel | 1992-03-24 |