4. Optical: systems and elements
  5. Single channel simultaneously to or from plural channels
  6. By refraction at beam splitting or combining surface

John G. Lehman, Jr.

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Moiré deflectometer including non-mechanical,...

Optics: measuring and testing – Shape or surface configuration – Triangulation
Reexamination Certificate

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MWIR polarizing beamsplitter cube and method of making the same

Optical: systems and elements – Single channel simultaneously to or from plural channels – By refraction at beam splitting or combining surface
Reexamination Certificate

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Periscopic optical training system for operators of vehicles

Education and demonstration – Vehicle operator instruction or testing – Flight vehicle
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2043536

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