WY

Wong Sing Yau

HL Hoover Limited: 2 patents #117 of 240Top 50%
📍 Sha Tin, CN: #748 of 2,424 inventorsTop 35%
Overall (All Time): #2,156,965 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D541498 Suction nozzle for a vacuum cleaner David W. Moine, Nick M. Bosyj, Robert W. Hecht, Kwok Wai Kuen 2007-04-24
D504548 Upper housing for a vacuum cleaner David W. Moine, Nick M. Bosyi, Robert W. Hecht, Kwok Wai Kuen 2005-04-26