Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412176 | Razor cartridge with dimpled blade guard | Frank H. Prochaska | 2002-07-02 |
| 6131287 | Razor cartridge with dimpled blade guard | Frank H. Prochaska | 2000-10-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412176 | Razor cartridge with dimpled blade guard | Frank H. Prochaska | 2002-07-02 |
| 6131287 | Razor cartridge with dimpled blade guard | Frank H. Prochaska | 2000-10-17 |