Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6866894 | Razor blade technology | Hoang Mai Trankiem, Michael J. Paretchan, Steve S. Hahn, Neville Sonnenberg, Charles S. White +2 more | 2005-03-15 |
| 6684513 | Razor blade technology | Steve S. Hahn, Neville Sonnenberg, Charles S. White, Andrew Zhuk | 2004-02-03 |
| 4933058 | Formation of hard coatings on cutting edges | Roger J. Bache, Colin Parker, Joan Pumfrey | 1990-06-12 |