RC

Richard Chang

Overall (2022): #118,526 of 548,613Top 25%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D969187 Handheld rapid heating device for cutting and adhering plastic thin film 2022-11-08
D943651 Handheld rapid heating device for cutting and adhering plastic thin film 2022-02-15