Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8969273 | Lubricating oil compositions | Melanie F. Tobias | 2015-03-03 |
| 8841243 | Natural gas engine lubricating oil compositions | Melanie F. Tobias | 2014-09-23 |
| 8796192 | Natural gas engine lubricating oil compositions | Melanie F. Tobias | 2014-08-05 |
| 8288326 | Natural gas engine lubricating oil compositions | Melanie F. Tobias | 2012-10-16 |