Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027443 | Method of making a razor | Andrew Zhuk, Weili Yu, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell +5 more | 2015-05-12 |
| 7882640 | Razor blades and razors | Andrew Zhuk, Weili Yu, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell +5 more | 2011-02-08 |
| 7448135 | Multi-blade razors | Andrew Zhuk, Weili Yu, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell +5 more | 2008-11-11 |