Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934319 | Pencil-sharpening device | Michael Peterson, Larry Buchtmann, Walter Johnsen | 2011-05-03 |
| 7886395 | Pencil sharpener with eraser | Jonathan A. Lee, Javier Verdura | 2011-02-15 |
| D631313 | Scissors | Michael Peterson, Man For Ma | 2011-01-25 |
| 7861355 | Retractable eraser with bristles | Jonathan A. Lee, Lee Webb | 2011-01-04 |