KC

Kin Sang Cheng

📍 Yuen Long, CN: #46 of 86 inventorsTop 55%
Overall (All Time): #3,469,674 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6689989 Heater for electric blanket Harold W. Irwin, Sr., John H. Crawford 2004-02-10