WK

WaiYip Ko

Overall (All Time): #2,770,047 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

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