Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110532 | Method of coating cutting edges | Brian Edward Causton | 2000-08-29 |
| 4720918 | Razor blades | Francis R. Curry, Joan Pumfrey, Romuald Kozlowski, deceased, by Jadwiga Kozlowska, legal representative | 1988-01-26 |