Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35145 | Substituted phthalocyanine | William M. Stark, Nigel Hughes | 1996-01-09 |
| 5102448 | Ink-jet printing | Brian Parton | 1992-04-07 |
| 4824948 | Substituted phthalocyanine | William M. Stark, Nigel Hughes | 1989-04-25 |