HE

Henry F. Erk

MM Memc Electronic Materials: 1 patents #9 of 30Top 30%
📍 Chesterfield, MO: #130 of 481 inventorsTop 30%
🗺 Missouri: #457 of 1,809 inventorsTop 30%
Overall (2011): #289,635 of 364,097Top 80%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7938982 Silicon wafer etching compositions Mark Stinson, Guoqiang Zhang 2011-05-10