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Cheng-Hsiung Chang

FSForesee Scientech: 3 patents #1 of 2Top 50%

Xiushui Township, IL: #1 of 1 inventorsTop 100%

Overall (2021): #88,270 of 548,734Top 20%

3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D917021	Sprayer for a foot spa tub	Danny Jan	2021-04-20
D909111	Part of pedicure foot spa massage chair	Danny Jan	2021-02-02
D907223	Pedicure spa tub	Danny Jan	2021-01-05