MacDonald; Isabel P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for MacDonald; Isabel P..The latest application filed is for "lubricating oil compositions".
- MacDonald; Isabel P. - Oxon GB
- MacDonald; Isabel P. - East Hendred GB
| Patent | Date |
|---|---|
| Lubricating oil compositions Grant 6,423,670 - Locke , et al. July 23, 2 | 2002-07-23 |
| Lubricating oil compositions App 20010036906 - Locke, Christopher J. ; et al. | 2001-11-01 |
| High molecular weight dispersant compositions and their preparation Grant 6,310,010 - Higton , et al. October 30, 2 | 2001-10-30 |
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