WK

WaiYip Ko

Overall (2020): #229,939 of 565,922Top 45%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10531704 Rain boot and uniform footwear with intelligent temperature-controlling air extractor and water-proofing and air-venting functions 2020-01-14