KC

Kwang-Tsan Chen

DC Ding Hwa Co.: 10 patents #1 of 1Top 100%
Overall (All Time): #452,897 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
D913423 Airbrush 2021-03-16
9897085 Pump control device 2018-02-20
D705818 Air compressor 2014-05-27
D644297 Water filter cup 2011-08-30
D622290 Small air compressor 2010-08-24
D552806 Cleaning jar for spray pens 2007-10-09
7152813 Cap with a suction type spray head 2006-12-26
D533879 Small belt-pack air compressor for ink pens 2006-12-19
D533880 Small portable air compressor for ink pens 2006-12-19
D498483 Air compressor 2004-11-16
6682317 Miniature air compressor 2004-01-27