Patents by Inventor David S. Dean

David S. Dean 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).

  • Ellipsoidal slot light
    Patent number: 5921666
    Abstract: A recessed ceiling light fixture is provided that includes a reflector with multiple ellipsoidal segments. Each ellipsoidal segment reflects light through a common focal point or area. Reflecting the light of each ellipsoidal segment through a common focal point or area, only a very narrow aperture is required. Further, improved light distribution and improved space to mounting height ratios are also provided by using a reflector with multiple ellipsoidal segments.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: July 13, 1999
    Assignee: Thomas Lighting
    Inventors: George V. Preston, David S. Dean, L. Kevin Tillotson
  • Hanging chair
    Patent number: D738637
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: September 15, 2015
    Inventor: David S. Dean