DG

David M. Goffnett

HS Hemlock Semiconductor: 1 patents #17 of 50Top 35%
Overall (All Time): #3,849,172 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5108512 Cleaning of CVD reactor used in the production of polycrystalline silicon by impacting with carbon dioxide pellets Mark Richardson, Eugene F. Bielby 1992-04-28