Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7290955 | Bold-fine multiple width marking instrument | Amar Patel, Marc William Colavitti, Bret R. Marschand, Jason Cantu, John Thompson | 2007-11-06 |
| D500521 | Writing instrument | Charles E. Bain, Jean Ellen Kiple | 2005-01-04 |
| D473263 | Cap for a highlighter | — | 2003-04-15 |
| D471587 | Highlighter | — | 2003-03-11 |