4. Optics: measuring and testing
  5. Refraction testing
  6. Prism engaging specimen

Ralph Edward Frazee, Jr.

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Fiber defect detection apparatus and method

Optics: measuring and testing – For optical fiber or waveguide inspection
Reexamination Certificate

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Method and apparatus for determining ratio of core radius to cla

Optics: measuring and testing – Refraction testing – Prism engaging specimen
Patent

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Profile ID: LFUS-PAI-P-1330301

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