KC

Kin Sang Cheng

📍 Yuen Long, CN: #1 of 7 inventorsTop 15%
Overall (2004): #175,511 of 270,089Top 65%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

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