Patents by Inventor Frank Chiapetta

Frank Chiapetta 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 trimmer
    Patent number: 4498237
    Abstract: The present invention is a cutting unit having multiple sets of tandem blades; each set being composed of a first toothed blade moved reciprocatingly in a cutting motion relative to a second tooth blade. The blades are preferably curved.
    Type: Grant
    Filed: January 18, 1983
    Date of Patent: February 12, 1985
    Assignee: Clairol Incorporated
    Inventors: William Mack, Herbert Morrison, Frank Chiapetta