| 9689203 |
Barrier opening system for emergency escape and rescue |
Paul Freberg, Paul Lawrence |
2017-06-27 |
| 9248579 |
Razors and razor cartridges |
Joseph Allan DePuydt, John Madeira, Krassimir Grigorov Marchev, Kenneth James Skrobis, Neville Sonnenberg |
2016-02-02 |
| 9079321 |
Razor blades |
Oliver Claus, Joseph Allan DePuydt, Yongqing Ju, John Madeira, Krassimir Grigorov Marchev +3 more |
2015-07-14 |
| 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 |
| 6866894 |
Razor blade technology |
Hoang Mai Trankiem, Michael J. Paretchan, Colin Clipstone, Neville Sonnenberg, Charles S. White +2 more |
2005-03-15 |
| 6743055 |
Adapter integrated into a lead body |
David M. Flynn, Stuart R. Chastain, June M. Zytkovicz |
2004-06-01 |
| 6684513 |
Razor blade technology |
Colin Clipstone, Neville Sonnenberg, Charles S. White, Andrew Zhuk |
2004-02-03 |
| 5669144 |
Razor blade technology |
John Madeira, Chong-ping Peter Chou, Lamar E. Brooks |
1997-09-23 |
| 5497550 |
Shaving system |
Robert A. Trotta, John Madeira, Chong-ping Peter Chou, Lamar E. Brooks |
1996-03-12 |
| 5295305 |
Razor blade technology |
John Madeira |
1994-03-22 |
| 5232568 |
Razor technology |
C. Robert Parent, John Madeira |
1993-08-03 |
| 5048191 |
Razor blade technology |
— |
1991-09-17 |