Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099895 | Surface modification of magnetic particle pigments | Philip I. Mayo, Colin F. Norman, Robert James Domett Nairne | 2000-08-08 |
| 5868959 | Surface modification of magnetic particle pigments | Philip I. Mayo, Colin F. Norman, Robert James Domett Nairne | 1999-02-09 |