Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7305770 | Releasable blade locking mechanism for utility knife | James M. Critelli | 2007-12-11 |
| 7174644 | Handsaw with blade storage and auxiliary blade | James M. Critelli | 2007-02-13 |
| 7107688 | Releasable blade locking mechanism for utility knife | James M. Critelli | 2006-09-19 |
| D519350 | Hacksaw frame | James M. Critelli | 2006-04-25 |
| D514418 | Hacksaw frame | James M. Critelli | 2006-02-07 |
| 6698679 | Tape measure with sliding tape grip element | James M. Critelli | 2004-03-02 |