Patents by Inventor James Rookus

James Rookus 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: 4299063
    Abstract: A device is disclosed for sharpening both the blade and the screen of a circular blade type electric shaver. A cup is provided which seats in the well from which the screen and blade have been removed. The blade is seated in the cup and engaged to the drive post or shaft of the shaver. By driving the blade from the motor of the shaver while an abrasive surface is held against the blade its cutting edges are sharpened. To hone the inside of the screen a rotor is placed in the cup. The top of the rotor has an abrasive surface. When a screen is pressed against the abrasive surface and the rotor is driven by the shaver motor, the inside surface of the screen is honed.
    Type: Grant
    Filed: July 13, 1979
    Date of Patent: November 10, 1981
    Inventor: James Rookus