Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688751 | Salicylate salts as lubricant additives for two-cycle engines | William K. S. Cleveland, Daniel M. Vargo | 1997-11-18 |
| 5614480 | Lubricating compositions and concentrates | Mary F. Salomon, Kirk E. Davis, John M. Cahoon | 1997-03-25 |