Patents Assigned to Manuel Seinhart
  • Patent number: 4139312
    Abstract: A disposable toothbrush has a handle formed with a cavity which houses by friction a body with integral bristles extending therefrom. The body has a cylinder for a charge of dentifrice and a groove is provided in the handle for a piston which is manually movable to drive the dentifrice through an orifice in the body to the bristles.
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: February 13, 1979
    Assignees: Manuel Seinhart, Norberto Esteban Seinhart
    Inventors: Carlos J. Marano, Enrique Capisano