CY

Cheung Wun Yau

BD Black & Decker: 1 patents #1,429 of 2,138Top 70%
Overall (All Time): #3,383,056 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7203986 Motorized hand held cleaning tool with clamp on extension handle Barry Pears 2007-04-17