Patents by Inventor David J. Twitchell

David J. Twitchell 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).

  • Microdermabrasion apparatus and system
    Publication number: 20040138680
    Abstract: A microdermabrasion apparatus and system is provided. In general, the apparatus includes a housing having a first end and a second end, a suction cup located at the first end of the housing, a motor located within the housing, a pump located within the housing, an exfoliation tip mechanically coupled to a shaft that is mechanically coupled to the motor, the exfoliation tip being located within a vacuum space in the suction cup and a tube located within the housing and connected between the pump and the suction cup.
    Type: Application
    Filed: November 25, 2003
    Publication date: July 15, 2004
    Inventors: David J. Twitchell, Richard H. Ford, Eric D. Fuller