DW

David A. Wassen

SE Semigear: 2 patents #5 of 16Top 35%
Overall (All Time): #2,166,088 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7008879 Isolation chamber arrangement for serial processing of semiconductor wafers for the electronic industry Chunghsin Lee, Jian Zhang, Darren M. Simonelli, Keith D. Mullins 2006-03-07
6827789 Isolation chamber arrangement for serial processing of semiconductor wafers for the electronic industry Chunghsin Lee, Jian Zhang, Darren M. Simonelli, Keith D. Mullius 2004-12-07