Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9096769 | Metallic ink composition and writing instrument containing same | — | 2015-08-04 |
| 8846797 | Metallic ink composition and writing instrument containing same | Wing Sum Vincent Kwan | 2014-09-30 |
| 8617646 | Metallic ink composition and writing instrument containing same | — | 2013-12-31 |
| 7297729 | Solvent system and ink made therefrom | David Godbout | 2007-11-20 |
| 7135507 | Metallic ink and capillary marker | — | 2006-11-14 |