Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353818 | Organic pigments | Gavin G. Spence | 1982-10-12 |
| 4349641 | Organic pigments | Gavin G. Spence | 1982-09-14 |
| 4348257 | Organic pigments | Gavin G. Spence | 1982-09-07 |
| 4343729 | Organic pigments | Gavin G. Spence | 1982-08-10 |
| 4311809 | Organic pigments | Gavin G. Spence | 1982-01-19 |