CC

Chan Ching

PC Perfect Union Co.: 40 patents #1 of 3Top 35%
Overall (All Time): #73,868 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
D532880 Ceramic electric heater 2006-11-28
7118407 Power plug with overloaded display 2006-10-10
D530002 Industrial heater 2006-10-10
D518817 Multimedia speaker set 2006-04-11
D518019 MP3 player 2006-03-28
D502165 MP3 player 2005-02-22
D499473 Tower heater 2004-12-07
D499472 Electric heater 2004-12-07
D499474 Convection heater 2004-12-07
D483101 Electric heater 2003-12-02
D483102 Electric heater 2003-12-02
D467325 Electric heater 2002-12-17
D467324 Electric heater 2002-12-17
D456499 Electric ceramic heater 2002-04-30
D456066 Electric heater 2002-04-23
6265698 Overheating protector for heaters 2001-07-24
D437397 Electric heater 2001-02-06