KY

Kuo-Ching Yao

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 New Taipei, TW: #6,529 of 10,472 inventorsTop 65%
Overall (All Time): #3,345,377 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7316293 Extension ladder with improved mechanism Norman William Liefke 2008-01-08