4. G - Physics
  5. 03
  6. B

Ellis I. Betensky

G - Physics – 03 – B

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High performance zoom lens system

G - Physics – 02 – B
Patent

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Inverse triplet lens assemblies

G - Physics – 02 – B
Patent

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Optical sensing system for extensible tape rules

G - Physics – 01 – B
Patent

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Variable magnification zoom lens

G - Physics – 03 – B
Patent

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Zoom lens system

G - Physics – 02 – B
Patent

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Inverse triplet lens assemblies

G - Physics – 02 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-584244

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