Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9550391 | Retractable writing instrument | Christopher K. Nelson, Stephen Wegzyn, Derek Diaz | 2017-01-24 |
| 8985882 | Two piece twist action retractable writing instrument | Christopher K. Nelson, Stephen Wegzyn, Derek Diaz | 2015-03-24 |