Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6547656 | Serrated knife sharpener | — | 2003-04-15 |
| 6251003 | Hand-held sharpening device | — | 2001-06-26 |
| 6059645 | Hand-held sharpening device | — | 2000-05-09 |
| 4777770 | Knife sharpener | — | 1988-10-18 |
| 4714239 | Sharpener mounting construction | — | 1987-12-22 |
| 4512112 | Knife sharpener clamp construction | — | 1985-04-23 |
| D278237 | Knife holder for knife sharpener | — | 1985-04-02 |
| 4471951 | Sharpener mounting construction | — | 1984-09-18 |
| D273081 | Sharpening stone holder for knife sharpener | — | 1984-03-20 |
| D271444 | Carrying case for knife sharpening apparatus | — | 1983-11-22 |