Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9266751 | Wastewater purification system | — | 2016-02-23 |
| 6651777 | Apparatus for enhancing engine oil changes | — | 2003-11-25 |
| 6071355 | Method for cleaning a transmission | — | 2000-06-06 |
| 5232513 | Engine cleaning processes | Jeffrey R. Holtz | 1993-08-03 |