Patents Assigned to Hughey & Phillips
  • Omni-directional airport taxiway light and fixture
    Patent number: 5556189
    Abstract: An omni-directional taxiway light uses an axially symmetric conjugate lens pair to distribute lamp light, particularly substantially parallel to the taxiway surface, while protruding minimally above the surface. An associated fixture contains a housing holding the optical elements in fixed relative positions and a weather-proof seal arrangement.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: September 17, 1996
    Assignee: Hughey & Phillips
    Inventor: David E. Wallis