Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D631716 | Scissors | Colin Roberts, Daniel J. Lipscomb, Theodore Jach, Douglas R. Nelson | 2011-02-01 |
| D629838 | Stamp roller | Andrew P. Block, Colin Roberts, Daniel J. Lipscomb, Lisa Painter, Joshua D. Hatch +1 more | 2010-12-28 |