Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828287 | Biodegradable two-cycle engine oil compositions and ester base stocks | Stephen C. Lakes, Bruce J. Beimesch | 2004-12-07 |
| 6664216 | Biodegradable two-cycle engine oil compositions and ester base stocks | Stephen C. Lakes, Bruce J. Beimesch | 2003-12-16 |