Patents by Inventor Judith Halpern

Judith Halpern 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).

  • Sharpener for cosmetic pencils
    Patent number: 4402354
    Abstract: A sharpener for cosmetic pencils comprises a housing sharpening unit disposed in the housing and receptive of at least one size cosmetic pencil for sharpening same and including at least one metal blade and a solid state thermoelectric cooling device disposed adjacent said sharpening unit and at least indirectly thermally contacting the blade. The cooling device is selectively electrically energized to cool the sharpening unit and thereby the pencil point.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: September 6, 1983
    Inventor: Judith Halpern