Patents by Inventor Dorothy J. Rosenberg

Dorothy J. Rosenberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6609848
    Abstract: A combination toothbrush and toothpaste dispenser is provided with a brush head, a brush head cover, a brush neck, a compression spring, a hollow cylindrical handle portion, a self rising bottom plate, a spring metal washer, and a floss retaining portion located at the bottom most area of the hollow handle. A floss cover plate covers the floss retaining portion. The metal washer has a plurality of radially extending fingers that frictionally engage the inner wall of the hollow handle portion. The compression spring is installed around the brush neck so that the brush neck is forced in an upward direction unless pressed by a user. The metal washer is fixedly attached to the underside of the self rising plate so that, as toothpaste is released on the brush head, the bottom plate and the spring washer rise.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: August 26, 2003
    Inventor: Dorothy J. Rosenberg
  • Patent number: 6206600
    Abstract: Disclosed is a combination toothbrush and toothpaste dispenser. The toothpaste dispenser has a top and a container located therein. The container has a top and a bottom, and toothpaste located within the container. The container is compressible. The toothbrush includes a head portion which has a plurality of bristles extending therefrom and at least one hole extending thereinto. The toothbrush also includes a stem portion having a channel extending therethrough. The channel has first and second opposing ends. The first end is in fluid communication with the at least one hole and the second end is in fluid communication with the top of the container. The toothbrush is reciprocally mounted to the toothpaste dispenser, whereby reciprocation of the toothbrush relative to the toothpaste dispenser from a first position to a second position compresses the container to pump the toothpaste from the container, through the channel, and through the at least one hole and to the bristles for brushing.
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: March 27, 2001
    Inventors: Dorothy J. Rosenberg, Peter W. Bressler