Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700764 | Lubricant compositions | Ian Macpherson | 1997-12-23 |
| 5691283 | Use of transmission and gear oil lubricants having enhanced friction properties | Julia C. Poat, Graeme M. Wallace, Ian Macpherson | 1997-11-25 |