Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328847 | Knife sharpener | Frank R. Button | 1992-08-25 |
| D327402 | Knife sharpener | Frank R. Button | 1992-06-30 |
| D326989 | Knife sharpener | Frank R. Button | 1992-06-16 |
| D306816 | Whetstone honing kit | John R. Hudnall | 1990-03-27 |
| 4850056 | Athletic pants | James Dennis Gardner, Hal D. Mitchell, Paul F. Stickley, Edward J. Wilson | 1989-07-25 |
| D297504 | Knife sharpening hone support stand | — | 1988-09-06 |