LandOfFree - US Patents - Listing for Optical: systems and elements,Absorption filter

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Radiation apparatus

Optical: systems and elements – Absorption filter – Fluid

Patent

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Radiation filter used in welding apparatus

Optical: systems and elements – Absorption filter – Fluid

Reexamination Certificate

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Radiation limiter and optical system incorporating the same

Optical: systems and elements – Absorption filter – Fluid

Patent

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Reflected-light type fluorescence microscope and filter...

Optical: systems and elements – Absorption filter – Movable in or out of optical path

Reexamination Certificate

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Reflective color filter

Optical: systems and elements – Absorption filter

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Reflective color wheel

Optical: systems and elements – Absorption filter – Filters in optical parallel

Reexamination Certificate

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Reflective fog filter and method

Optical: systems and elements – Absorption filter

Reexamination Certificate

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Rotary disk for image-changing light device

Optical: systems and elements – Absorption filter – With support or frame

Patent

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Rotary drum type optical filter apparatus

Optical: systems and elements – Absorption filter – Movable in or out of optical path

Patent

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Rotary optical filter apparatus integrated with cooling fan...

Optical: systems and elements – Absorption filter – Movable in or out of optical path

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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