Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D459755 | Marker bottle | John Calabro | 2002-07-02 |
| D448408 | Marking device | John Calabro | 2001-09-25 |
| D442634 | Marking device | — | 2001-05-22 |
| D442224 | Two headed marking device with a bottle | — | 2001-05-15 |
| D438902 | Hand-held marking device | John Calabro | 2001-03-13 |
| 5899619 | Hand held marking device | — | 1999-05-04 |