Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9227331 | Razor blade unit | Oliver Claus, Caleb MacCallum Estabrooks | 2016-01-05 |
| 9027443 | Method of making a razor | Weili Yu, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell, Yiqian Eric Liu +5 more | 2015-05-12 |
| 8889225 | Chemical vapor deposition of fluorocarbon polymers | Neville Sonnenberg | 2014-11-18 |
| 7882640 | Razor blades and razors | Weili Yu, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell, Yiqian Eric Liu +5 more | 2011-02-08 |
| 7448135 | Multi-blade razors | Weili Yu, Hoang Mai Trankiem, Neville Sonnenberg, Kevin Powell, Yiqian Eric Liu +5 more | 2008-11-11 |
| 6866894 | Razor blade technology | Hoang Mai Trankiem, Michael J. Paretchan, Colin Clipstone, Steve S. Hahn, Neville Sonnenberg +2 more | 2005-03-15 |
| 6684513 | Razor blade technology | Colin Clipstone, Steve S. Hahn, Neville Sonnenberg, Charles S. White | 2004-02-03 |