Patents by Inventor David I. Dear

David I. Dear 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).

  • Solar powered rainbow maker
    Patent number: 7153022
    Abstract: A crystal display device is disclosed wherein a vertically arranged photovoltaic cell, main device housing—encasing an electric motor and transmission—, and a refractory crystal suspended below is rotated so as to provide multi-colored displays upon room walls and other surfaces when exposed to sunlight. A preferred embodiment of the device utilizes a suction cup to retain the device housing in the afore-mentioned vertical alignment against the inside of a selected window.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: December 26, 2006
    Inventor: David I. Dear
  • Solar powered rainbow maker
    Publication number: 20040017338
    Abstract: A crystal display device is disclosed wherein a vertically arranged photovoltaic cell, main device housing—encasing an electric motor and transmission—, and a refractory crystal suspended below is rotated so as to provide multi-colored displays upon room walls and other surfaces when exposed to sunlight. A preferred embodiment of the device utilizes a suction cup to retain the device housing in the afore-mentioned vertical alignment against the inside of a selected window.
    Type: Application
    Filed: July 29, 2002
    Publication date: January 29, 2004
    Inventor: David I. Dear