PK

Po Wo Koo

📍 Sha Tin, CN: #1,175 of 2,424 inventorsTop 50%
Overall (All Time): #3,556,342 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6444891 Electronic guitar with its keys arranged in complex array 2002-09-03