Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338321 | Method for modifying coated razor blade edges | Neville Sonnenberg, John Chadwick, John Lawrence Maziarz | 2022-05-24 |
| 9027443 | Method of making a razor | Andrew Zhuk, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell, Yiqian Eric Liu +5 more | 2015-05-12 |
| 7882640 | Razor blades and razors | Andrew Zhuk, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell, Yiqian Eric Liu +5 more | 2011-02-08 |
| 7448135 | Multi-blade razors | Andrew Zhuk, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell, Yiqian Eric Liu +5 more | 2008-11-11 |