Patents by Inventor Du P. Park

Du P. Park 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: 4314405
    Abstract: A hair cutting device includes a housing defining a passage having an inlet and outlet with a cutter and an impeller between said inlet and outlet. A hair directing apparatus is positioned between the cutter means and the impeller to direct the hair to the periphery of the cutter and the inlet is adjustable with respect to the inlet. The cutter includes two blades one of which is rotated with an output motor shaft and the other is reciprocated on the output shaft. The drive motor is reversible and a heating element can be attached to the outlet to convert the device to a blower-dryer.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: February 9, 1982
    Inventor: Du P. Park