SC

Si-Chung Chang

HT Helix Technology: 1 patents #58 of 132Top 45%
Overall (All Time): #3,599,553 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6316056 Procedure for producing isolation copper facing membrane — 2001-11-13