LC

Lieh-Chih Chang

Overall (All Time): #2,051,645 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8742284 Steam plasma torch Heng-Yi Li, Chin-Ching Tzeng 2014-06-03
8353394 Continuous constant-rate feeding system How-Ming Lee, Chin-Ching Tzeng 2013-01-15