Authentication devices

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United States of America Patent

PATENT NO 10664730
APP PUB NO 20170228628A1
SERIAL NO

15501676

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Abstract

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An authentication device comprising a woven authentication pattern, wherein the woven authentication pattern comprises a plurality of pattern forming woven elements each defining at least one pattern defining element or a plurality of pattern defining elements, and each pattern forming woven element is formed by a plurality of threads having contrasting optical or visual properties in twisted mutual engagement, wherein said pattern defining element has a spiralling outline or boundary and adjacent or abutting pattern defining elements of a pattern forming woven element are visually or optically distinguishable.

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Patent Owner(s)

Patent OwnerAddress
WAITAK LABELS FACTORY LIMITED30/F FUN TOWER 35 HUNG TO ROAD KWUN TONG KOWLOON HONG KONG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lam, Wing Hong Hong Kong, CN 14 42
Lau, Tak Wai Hong Kong, CN 14 42

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