Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933058 | Formation of hard coatings on cutting edges | Roger J. Bache, Colin Clipstone, Colin Parker | 1990-06-12 |
| 4720918 | Razor blades | Francis R. Curry, Edwin Lloyd Glasson, Romuald Kozlowski, deceased, by Jadwiga Kozlowska, legal representative | 1988-01-26 |