Sum Poon — 5 Patents at Electrical & Electronics

Sum Poon has been granted 5 US patents while listed as an inventor at Electrical & Electronics. The first was granted in 2005 and the most recent in April 2010. Sum Poon ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Sum Poon in Tai Po, CN.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
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

Sum Poon — 5 Patents

Issued Patents All Time

Patent Widget