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KS

Kou-Chi Shen

Overall (All Time): #2,194,753 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6792779 Locking device operated by both of the mechanical and magnetic effects — 2004-09-21
5212974 Card type locking apparatus — 1993-05-25

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