WC

Wen-Fan Chang

ZC Zeng Hsing Industrial Co.: 1 patents #1 of 2Top 50%
📍 Kaohsiung, CA: #16 of 26 inventorsTop 65%
Overall (2021): #216,308 of 548,734Top 40%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10883212 Position indicating circuit for a foot controller of a sewing machine, and detecting system using the same Chia-Hui Yu 2021-01-05