4. Optical: systems and elements
  5. Lens
  6. Including a nonspherical surface

John Allen Hoffnagle

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Apparatus for achromatizing optical beams

Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate

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Apparatus for characterization of photoresist resolution,...

Photocopying – Projection printing and copying cameras – Detailed holder for original
Reexamination Certificate

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Apparatus for characterization of photoresist resolution,...

Radiation imagery chemistry: process – composition – or product th – Registration or layout process other than color proofing
Reexamination Certificate

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Refractive optical system that converts a laser beam to a...

Optical: systems and elements – Lens – Including a nonspherical surface
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2040981

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