Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181399 | Laundry waste water treatment and wash apparatus | Richard Engel, John B. Gallo, Donald H. Bladen | 1993-01-26 |
| 5097556 | Laundry waste water treatment and wash process | Richard Engel, John B. Gallo, Donald H. Bladen | 1992-03-24 |