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Chia Hsiung Lin — 2 Patents

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2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7144176	Ink reservoir for attaching to various pens	—	2006-12-05
7080950	Pencil with buffering effect for preventing a pencil lead from breaking	—	2006-07-25