4. Optical: systems and elements
  5. Having significant infrared or ultraviolet property
  6. Having ultraviolet absorbing or shielding property

Ying-Cheun Spring Yeh

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Microscopic image apparatus for converting infrared light...

Optical: systems and elements – Having significant infrared or ultraviolet property – Having ultraviolet absorbing or shielding property
Reexamination Certificate

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Spectrum measuring apparatus

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2774145

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