Patents by Inventor Martin E. Rudnick

Martin E. Rudnick 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: 5191671
    Abstract: An improved toothbrush (10) includes an elongated handle (12) having a proximal end (14) and a distal end (16), and a longitudinal axis (18) extending therebetween. A head (20) is attached to the distal end of the handle and has a top surface (24) and bottom surface (34). A plurality of bristle tufts (22) are attached to the top surface of the head. The handle has a transverse cross section adjacent the proximal end in the shape of a trapezoid that has a bottom edge, a top edge, and side edges extending from the bottom edge to the top edge. The top edge is smaller than the bottom edge.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: March 9, 1993
    Inventor: Martin E. Rudnick
  • Patent number: D293510
    Type: Grant
    Filed: August 13, 1985
    Date of Patent: January 5, 1988
    Inventor: Martin E. Rudnick