Patents Assigned to TESTRAKE AVIATION, INC.
  • Optical device and method of making same
    Patent number: 9475149
    Abstract: An optical device and method of making same including the use of 3-D subsurface laser engraving to emplace optical features such as lenses, mirrors, prisms, diffusers, light pipes and waveguides, reticules, apertures, polarizers, beam splitters, arrays, and the like into the interior of solid plastic or glass.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: October 25, 2016
    Assignee: TESTRAKE AVIATION, INC.
    Inventor: Steven G. Testrake