SC

Shan-Wen Chang

AT Appa Technology: 4 patents #1 of 1Top 100%
Overall (2003): #12,817 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6646562 Hooking-type fully automatic electric meter 2003-11-11
D472828 Electrical multimeter 2003-04-08
D472829 Clamp type electrical multimeter (I) 2003-04-08
D472830 Clamp type electrical multimeter (II) 2003-04-08