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Cheng-Hsiung Chang

FSForesee Scientech: 2 patents #1 of 2Top 50%
Xiushui Township, IL: #1 of 1 inventorsTop 100%
Overall (2020): #186,917 of 565,922Top 35%
2 Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10806664 Spa sprayer Danny Jan 2020-10-20
10807115 Fixing structure of spa sprayer Danny Jan 2020-10-20

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