SP

Sum Poon

EE Electrical & Electronics: 1 patents #1 of 2Top 50%
📍 Tai Po, CN: #2 of 9 inventorsTop 25%
Overall (2005): #95,205 of 245,428Top 40%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6935222 Locking device sustaining high pressure for coffee maker lid Yee Chen 2005-08-30