Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10292488 | Filament having unique tip and surface characteristics | Li Wen, Elizabeth Ann Brown Reno, John Kit Carson, Xiaole Mao | 2019-05-21 |
| 9986820 | Filament having unique tip and surface characteristics | Li Wen, Elizabeth Ann Brown Reno, John Kit Carson, Xiaole Mao | 2018-06-05 |
| 9340903 | Process for making filament having unique tip and surface characteristics | Li Wen, Elizabeth Ann Brown Reno, John Kit Carson, Xiaole Mao | 2016-05-17 |
| 8955186 | Electric toothbrushes | Douglas A. Gall | 2015-02-17 |
| 8631970 | Multi-chamber material dispensing system and method for making same | Lawrence Edward O'Brien | 2014-01-21 |
| 8584299 | Electric toothbrushes | Douglas A. Gall | 2013-11-19 |
| 8511522 | Valve and dispenser comprising same | Lawrence Edward O'Brien | 2013-08-20 |
| 8454882 | Material dispensing system and method for making same | Lawrence Edward O'Brien | 2013-06-04 |
| 8096011 | Electric toothbrushes | — | 2012-01-17 |
| 7861348 | Electric toothbrushes | — | 2011-01-04 |
| 7845039 | Toothbrush with severable electrical connections | Aleksey Mikhailovich Pinyayev, Lowen R. Morrison, Jr. | 2010-12-07 |
| 7748070 | Electric toothbrush comprising an electrically powered element | Chanchal Kumar Ghosh, Stephen Andras Kovacs, Lowen Robert Morrision, Jr., Ping Wang, Aleksey Mikhailovich Pinyayev | 2010-07-06 |
| 7723629 | Electric toothbrushes and packages containing same | — | 2010-05-25 |
| 7421753 | Electric toothbrushes | Patrick W. Brown, Donald Fuchs, Douglas A. Gall, Trevor Jackson, Jeffrey Kalman +1 more | 2008-09-09 |
| 7398575 | Electric toothbrush having a flexible drive shaft | — | 2008-07-15 |
| 7356866 | Modular electric toothbrushes | — | 2008-04-15 |
| D563106 | Head portion of a toothbrush | Wang Ping | 2008-03-04 |
| D561475 | Toothbrush head | Ping Wang | 2008-02-12 |
| 7322066 | Electric toothbrushes having movable, intermittently movable, and fixed bristles | Wang Ping | 2008-01-29 |
| D558455 | Set of bristles for an electric toothbrush | Wang Ping | 2008-01-01 |
| 7258229 | Electric toothbrushes and packages containing same | — | 2007-08-21 |
| 7228583 | Electric toothbrush housing design | John Roy Whitney, Patrick W. Brown | 2007-06-12 |
| 7225494 | Multi-motion toothbrush | Wang Ping, Lawrence A. Blaustein, Douglas A. Gall, Patrick W. Brown | 2007-06-05 |
| D536876 | Head portion of a toothbrush | Wang Ping | 2007-02-20 |
| D515318 | Bristle carrier for electric toothbrush | Wang Ping | 2006-02-21 |