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CT

Changfen Tan

Yichang City, CN: #1 of 3 inventorsTop 35%
Overall (2021): #171,798 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D922235 Door bell — 2021-06-15
D922236 Door bell — 2021-06-15

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