Patents by Inventor Josef Ribitsch

Josef Ribitsch 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).

  • Hair-cutting apparatus having a toothed cutting device and method of manufacturing a cutter for a toothed cutting device of such apparatus
    Patent number: 5600890
    Abstract: A hair-cutting apparatus has a toothed cutting device comprising a stationary cutter with a row of cutter teeth and a reciprocable cutter with a row of cutter teeth, the cutter teeth of at least one of the two cutters are rounded at their distal ends except for the area of their shearing faces and in addition are wholly rounded over their entire tooth depth into the proximal tooth area except for the area of their shearing faces.
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: February 11, 1997
    Assignee: U.S. Philips Corporation
    Inventors: Stephan Leitner, Josef Ribitsch