Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420647 | Semi-synthetic lubricating oil composition | Kenneth G. Hammond, Lewis W. Watts, Jr., Edward T. Marquis, John M. Larkin | 1983-12-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420647 | Semi-synthetic lubricating oil composition | Kenneth G. Hammond, Lewis W. Watts, Jr., Edward T. Marquis, John M. Larkin | 1983-12-13 |