Patents by Inventor Ernst Bertschi

Ernst Bertschi 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: 4327753
    Abstract: A hairdressing implement, especially a hair curler which can be electrically heated, comprises a handle from which a curling mandrel extends, this mandrel being provided with a plurality of combs each having a pivotal bar parallel to the mandrel axis and disposed in angularly equispaced relationship therearound so that a free space is provided to accommodate a heater. A sleeve through which the tines of the combs pass, is rotatable relative to the mandrel body to swing the tines beneath the surface of the sleeve to release the hair. Fingers adjacent the opening of the sleeve serve to cam the tines outwardly upon rotation in the opposite sense.
    Type: Grant
    Filed: October 30, 1980
    Date of Patent: May 4, 1982
    Assignee: ICOMAG Trust Reg.
    Inventor: Ernst Bertschi