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Pinsheng Sun — 2 Patents

Overall (All Time): #1,947,612 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9959537 Portable electronic card system and method for manufacturing a rewritable plastic card — 2018-05-01
9900307 Portable electronic card system and verifying method thereof — 2018-02-20

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