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Self-contained lighted marking device

Optical: systems and elements – Signal reflector – Light transmitting from source behind a reflector
Patent

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Sensor system based on retroreflection of a laser beam

Optical: systems and elements – Signal reflector – 3-corner retroreflective
Patent

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Shelf label reader

Optical: systems and elements – Signal reflector – Including a curved refracting surface
Patent

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Sign illumination system and method

Optical: systems and elements – Signal reflector
Patent

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Signal mirror

Optical: systems and elements – Signal reflector
Patent

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Signal reflector and optical system

Optical: systems and elements – Signal reflector – For a signal source remote from observer
Patent

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Signalling baton

Optical: systems and elements – Signal reflector – 3-corner retroreflective
Patent

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Spoke and method for applying a self-adhesive film to a...

Optical: systems and elements – Signal reflector – Moving
Reexamination Certificate

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Spoke and method for applying a self-adhesive film to a...

Optical: systems and elements – Signal reflector – Moving
Reexamination Certificate

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Spoked wheel reflective vest for bicycles and the like

Optical: systems and elements – Signal reflector – Moving
Patent

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Structured retroreflective sheeting having a rivet-like connecti

Optical: systems and elements – Signal reflector – 3-corner retroreflective
Patent

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Structured surface articles containing geometric structures...

Optical: systems and elements – Signal reflector – 3-corner retroreflective
Reexamination Certificate

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Structured surface articles containing geometric structures...

Optical: systems and elements – Signal reflector – 3-corner retroreflective
Reexamination Certificate

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Surface covering intended to be used on marking coverings...

Optical: systems and elements – Signal reflector – Including a curved refracting surface
Reexamination Certificate

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System of visual retroreflective aircraft approach runway...

Optical: systems and elements – Signal reflector – 3-corner retroreflective
Reexamination Certificate

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