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Yigen Yang

Overall (All Time): #1,724,615 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1093749 Handcuff chain lock 2025-09-16
D1083241 Handcuff password chain lock 2025-07-08