LL

Leon Lee

Overall (2020): #376,814 of 565,922Top 70%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10746245 Shopping cart foot wheel capable of warning the abrasion status of the braking block Yu-Shu Shen 2020-08-18