Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10829987 | Reversible window shutter | — | 2020-11-10 |
| 10597934 | Reversible window shutter | — | 2020-03-24 |
| 6546632 | Utility knife | — | 2003-04-15 |
| 6449850 | Utility knife | — | 2002-09-17 |
| 6338282 | Portable liquid sampling system | — | 2002-01-15 |
| D440858 | Utility knife | — | 2001-04-24 |
| 6192589 | Utility knife | Joseph R. Martone | 2001-02-27 |
| D412822 | Blade holder | Eric Ranieri | 1999-08-17 |
| D412655 | Blade holder | Eric Ranieri | 1999-08-10 |
| D412654 | Blade holder | Eric Ranieri | 1999-08-10 |
| 5906050 | Utility knife | — | 1999-05-25 |
| D408704 | Utility knife | — | 1999-04-27 |
| 5797188 | Hand-held utility knife | — | 1998-08-25 |
| 5121544 | Replaceable blade knife | — | 1992-06-16 |
| 5042154 | Utility knives | — | 1991-08-27 |
| 5025558 | Utility knives | — | 1991-06-25 |
| 5005290 | Utility knives | — | 1991-04-09 |
| 4361958 | Retractable blade knife | — | 1982-12-07 |
| 4240202 | Replaceable blade knife | — | 1980-12-23 |
| 4209900 | Retractable blade knife | — | 1980-07-01 |