WH

Wan Kei Ricky Ha

KL Keyway Innovations (Shanghai) Company Limited: 1 patents #1 of 3Top 35%
Overall (2019): #227,945 of 560,194Top 45%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10463188 Airlift pumping mechanism as well as fluid container and brewing machine with such airlift pumping mechanism Nicolas Roux, Karen Wai Wan 2019-11-05