Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488723 | Motor fuel additive composition and method for preparation thereof | Alfred R. Nelson, Mark L. Nelson | 2002-12-03 |
| 4846847 | Antigel fuel composition | Mark L. Nelson | 1989-07-11 |
| 4753661 | Fuel conditioner | Mark L. Nelson | 1988-06-28 |
| 4673411 | Anti-gel fuel composition | Mark L. Nelson | 1987-06-16 |
| 4613340 | Residual oil sludge dispersant | Mark L. Nelson | 1986-09-23 |
| 4516981 | Residual oil sludge dispersant | Mark L. Nelson | 1985-05-14 |