Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D460483 | Marking device | — | 2002-07-16 |
| D459755 | Marker bottle | Thomas O'Shei | 2002-07-02 |
| D448408 | Marking device | Thomas O'Shei | 2001-09-25 |
| D438902 | Hand-held marking device | Thomas O'Shei | 2001-03-13 |