Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772169 | Low ash stationary gas engine lubricant | W. Preston Barnes, Virginia A. Carrick, Sara B. Pocinki | 2010-08-10 |
| 5741764 | Two-cycle lubricant containing solvent and high molecular weight polymer | William K. S. Cleveland | 1998-04-21 |