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| Number | Title | Issue Date |
| 6248309 | Gums containing antimicrobial agents Gum compositions containing effective amounts of antimicrobial agents that are released to the oral cavity during chewing. In specific embodiments, the antimicrobial agents are released from the gum at different rates and times.... | 06/19/2001 |
| 6220772 | Fluid-dispensing and refilling system for a power toothbrush A pump used in a power toothbrush for fluid delivery to the bristles. The pump moves fluid provided to it to a dispensing valve located in the brushhead. The pump includes a pump chamber with a piston ball located therein. The piston ball moves within the... | 04/24/2001 |
| 6202241 | Brushhead for use in an acoustic toothbrush A brushhead for an acoustic powered toothbrush having a particular bristle configuration which includes a plurality of bristle portions arranged in four columns and eight rows, wherein the distal end two adjacent rows and the proximal end two adjacent row... | 03/20/2001 |
| 6140802 | Automatic power adjustment system for introductory use of a vibrating device on a human body Driving power for a vibrating device is provided at less than full level when the device is initially used. Power is gradually increased in successive steps after a selected number of uses in each step until full power is achieved. Also, a battery-energiz... | 10/31/2000 |
| 6035476 | Brushhead for a toothbrush A brushhead for a toothbrush having a particular bristle configuration which includes a plurality of bristle tufts arranged in three columns and nine rows, wherein the distal end two adjacent rows and the proximal end two adjacent rows and an intermediate... | 03/14/2000 |
| 5994855 | Automatic power adjustment system for introductory use of a vibrating device on a human body Driving power for a vibrating device is provided at less than full level when the device is initially used. Power is gradually increased in successive steps after a selected number of uses in each step until full power is achieved. Also, a battery-energiz... | 11/30/1999 |
