HC

Heung Kin Chan

HL Hayco Manufacturing Limited: 1 patents #13 of 23Top 60%
TL Tung Hing Plastic Manufactory Limited: 1 patents #2 of 6Top 35%
Overall (All Time): #1,710,352 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12303087 Floor cleaning apparatus and liquid delivery assembly for use in floor cleaning apparatus Sven Eschrich, Kin Wong Yau 2025-05-20
12290223 Floor cleaning apparatus and liquid delivery assembly for use in floor cleaning apparatus Sven Eschrich, Kin Wong Yau 2025-05-06