Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7640622 | Floor surface cleaning and resurfacing equipment | — | 2010-01-05 |
| 7416478 | Planetary drive heads for grinding/polishing pads | — | 2008-08-26 |
| 6887344 | Compact wastewater cleaning apparatus | — | 2005-05-03 |
| 6200428 | Wastewater treatment apparatus and method | — | 2001-03-13 |
| 5582680 | Wastewater treating apparatus | Robert D. Gendreau | 1996-12-10 |