SP

Sum Poon

EE Electrical & Electronics: 5 patents #2 of 17Top 15%
📍 Tai Po, CN: #13 of 112 inventorsTop 15%
Overall (All Time): #1,024,435 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7694624 Cabinet design of filter holder for pressurized espresso machines Andrew Yuen Chin Chen 2010-04-13
7617763 Motorized and remote-controlled cabinet design of filter holder for pressurized espresso machines Andrew Yuen Chin Chen 2009-11-17
7237475 Cabinet design of filter holder for pressurized espresso machines Andrew Yuen Chin Chen 2007-07-03
7228790 Spoon brewing apparatus Yee Chen 2007-06-12
6935222 Locking device sustaining high pressure for coffee maker lid Yee Chen 2005-08-30