US Patent 7620279 Polyurethane light guides

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Patent Citations Received

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US Patent 11857018 Light-emitting systems for headgear

Edits on 17 Sep, 2023

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edited on 17 Sep, 2023

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Patent Inventor Names

Edmond Kenneth Joseph0

Edits on 16 Sep, 2023

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edited on 16 Sep, 2023

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Patent abstract

A light guide (1) formed from an unclad flexible polyurethane fiber produces significant side scattering (2) over distances of up to several meters. The polyurethane fiber is in the form of a solid fiber or a tube and may comprise light scattering particles. The polyurethane fiber may comprise a transparent flexible polyurethane UV resistant outer cladding. Embodiments include illuminated shoe laces, a power cord safety indicator, an illuminated dental suction tube and a dental curing tip.

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edited on 22 Jul, 2023

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=076202790

Edits on 18 May, 2023

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