Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948251 | Pivoting sharpening device for pencil with non-circular cross section | William C. Lamson | 2005-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948251 | Pivoting sharpening device for pencil with non-circular cross section | William C. Lamson | 2005-09-27 |