Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D548785 | Triangular-shaped writing instrument with abrasive surface on upper portion | John O'Hern | 2007-08-14 |
| D548786 | Square-shaped writing instrument with abrasive surface on upper portion | John O'Hern | 2007-08-14 |
| D537879 | Pen with abrasive portion | — | 2007-03-06 |
| 7171374 | Utility resource aggregation and allocation | David Sheehan | 2007-01-30 |