Patents by Inventor Gregory Holderfield

Gregory Holderfield 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).

  • Portable electric fan with swivel mount
    Patent number: 5518370
    Abstract: A portable electric fan including a base having an upwardly directed coupling surface and a bottom surface for mounting on a foundation; a support having a downwardly directed coupling surface rotatably mounted on the upwardly directed coupling surface; a housing fixed to the support so as to be movable therewith, a fan blade retained by the housing; and an electric motor operatively coupled to said fan blade and energizable to produce rotation thereof. The coupling surfaces are shaped and arranged to produce in response to rotation of the support relative to the base, movement of the housing having both horizontal and vertical components.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: May 21, 1996
    Assignee: Duracraft Corporation
    Inventors: Jui-Shang Wang, Rodney Jane, John Longan, Stanley Gresens, Gregory Holderfield, Steven Valentor