Patents by Inventor Samuel M. Kidd

Samuel M. Kidd 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).

  • Approach slope indicators
    Patent number: 4183078
    Abstract: An indicator unit for use at the edge of airfield runways which produces a split beam of light, the interface of which may be adjusted to the required angle of flight path to guide incoming aircraft, the indicator unit comprising a support assembly having mounted therein at least two projection tubes, each projection tube housing a removable pre-aligned projector having a light source, a red-passing filter and a divergent lens disposed to produce the split beam of light.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: January 8, 1980
    Assignee: National Research Development Corporation
    Inventor: Samuel M. Kidd