Assignee

CHAO HENRY

1 granted patent·47 citations·filing 2005–2005

Technology mixF21L1 F21V1 F21Y1 G02B1

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0185US7029193B1Minidrive pen with laser and illuminating functionCHAO HENRY·Filed 2005·Granted Apr 18, 2006·47 cites·3 claims

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