Patents Assigned to American Applied Technology
  • Patent number: 6606755
    Abstract: A toothbrush is provided having a light source for signaling when a recommended brushing time interval has started and ended. In particular, the toothbrush includes a handle portion having a translucent portion configured to allow the transmission of light therefrom around substantially the entire circumference of the toothbrush. The toothbrush further includes a tip portion attached to the handle portion having a plurality of bristles extending therefrom. The tip portion is detachable from the handle portion. The toothbrush further includes a light emitting diode disposed within the handle portion proximate to the translucent portion. Finally, the toothbrush includes a control circuit disposed within the handle portion electrically connected to the light emitting diode.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: August 19, 2003
    Assignee: American Applied Technology
    Inventors: Darnell Robinson, Herb Fisher