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

Richard F. Haines

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Grooming aid for collecting debris

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent

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Optical instrument employing reticle having preselected visual r

Optics: measuring and testing – Refraction testing – Prism engaging specimen
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Simulator scene display evaluation device

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

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Visual examination apparatus

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent

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Profile ID: LFUS-PAI-P-215306

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