Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D604909 | Callus remover | Gerd Fierus | 2009-11-24 |
| 7229345 | Knife sharpener | Gerd Fierus | 2007-06-12 |
| 6454642 | Device for sharpening knives, scissors or other cutting tools | Gerd Fierus | 2002-09-24 |
| D424886 | Knife handle | — | 2000-05-16 |
| 5018310 | Knife sharpener | Gerd Fierus | 1991-05-28 |