Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851293 | Stabilized metallic oxides | Kevin A. Fothergill, Graham P. Dransfield | 1989-07-25 |
| 4820593 | Stabilised metallic oxides | Edmund J. Lawson, Peter Frost | 1989-04-11 |
| 4806333 | Finely divided oxide and its manufacture | Kevin A. Fothergill | 1989-02-21 |