Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D502320 | Electric toothbrush head | Joseph E. Fattori, Gerardus W. H. Janssen, John Gatzemeyer, Kyoungeun Ahn | 2005-03-01 |
| 6848141 | Brush section for an electric toothbrush | Kyoungeun Ahn, John Gatzemeyer | 2005-02-01 |
| 6813793 | Toothbrush with linear and rotary fields | — | 2004-11-09 |
| 6643886 | Toothbrush having an efficacious bristle pattern | Robert Moskovich, Kenneth Waguespack, Eric Chan, Kyoungeun Ahn | 2003-11-11 |
| D475529 | Electric toothbrush | David Wright, Kyoungeun Ahn, John Gatzemeyer | 2003-06-10 |
| D465926 | Electric toothbrush head | Kyoungeun Ahn, John Gatzemeyer | 2002-11-26 |
| D462173 | Electric toothbrush bristle pattern | Lorenzo Scazziga, John Gatzemeyer | 2002-09-03 |
| D459892 | Electric toothbrush head | Kyoungeun Ahn, John Gatzemeyer | 2002-07-09 |
| D459081 | Electric toothbrush | Lorenzo Scazziga, John Gatzemeyer | 2002-06-25 |
| 6367112 | Toothbrush having controlled head movement | Robert Moskovich, Eric Chan, Kyoungeun Ahn | 2002-04-09 |
| D451283 | Self-standing toothbrush handle | Robert Moskovich, Eric Chan, Kyoungeun Ahn | 2001-12-04 |
| 6292973 | Toothbrush having controlled head movement | Robert Moskovich, Eric Chan, Kyoungeun Ahn | 2001-09-25 |
| D440767 | Set of bristles for a toothbrush | Robert Moskovich, Eric Chan, Kyoungeun Ahn | 2001-04-24 |
| D439528 | Watch casing and bezel | — | 2001-03-27 |
| D438470 | Watch casing and bezel | Yoon Ho Choi | 2001-03-06 |
| D438123 | Watch casing and bezel | Yoon Ho Choi | 2001-02-27 |
| D428258 | Toothbrush handle | Robert Moskovich, Yoon Ho Choi, Ethan Imboden | 2000-07-18 |
| D428259 | Toothbrush handle | Robert Moskovich, Yoon Ho Choi, Al Sprosta | 2000-07-18 |
| D428012 | Game controller | John Cavacuiti, Ethan Imboden, Eric Chan, Debra Reich | 2000-07-11 |
| D426958 | Standup toothbrush | Robert Moskovich, Eric Chan, Jeffrey Miller, Yoon Ho Choi | 2000-06-27 |
| D411683 | Standup toothbrush | Robert Moskovich, Eric Chan, Jeffrey Miller, Yoon Ho Choi | 1999-06-29 |
| D397872 | Toothbrush | Robert Moskovich, Eric Chan, Jeffrey Miller, Yoon Ho Choi | 1998-09-08 |