Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407474 | Ink jet printer ink for printing on ceramics or glass | Mark Crooks, Robert D. Brett | 1995-04-18 |
| 4482390 | Method of protecting pigments with transparent crystalline zircon | Andrew Spiller | 1984-11-13 |