Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922312 | Compact ink delivery in an ink pen | Mark A. Devries, Ronald J. Ender, Craig L. Malik | 2011-04-12 |
| 7874660 | Closure and connector for a supply container | David M. Hagen | 2011-01-25 |
| 7862138 | Flow control in an ink pen | Mark A. Devries, Craig L. Malik, Ronald J. Ender | 2011-01-04 |