Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806241 | Antioxidant additive compositions and lubricating compositions containing the same | Steven G. Donnelly, Ronald J. Hiza | 2004-10-19 |
| 6743759 | Antioxidant, antiwear/extreme pressure additive compositions and lubricating compositions containing the same | Brian W. Stunkel, Steven G. Donnelly | 2004-06-01 |