Patents by Inventor Sidney W. Rosen

Sidney W. Rosen 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: 5331704
    Abstract: A bifurcated toothbrush having two brush carrying members angled with respect to one another at the working end of the toothbrush handle. Each brush is designed for a distinct purpose and the brushes are spaced at a sufficient distance from one other to move the cheek or tongue away from the surface being brushed.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: July 26, 1994
    Inventors: Sidney W. Rosen, Jeffrey Ganeles