HE

Henry F. Erk

MM Memc Electronic Materials: 1 patents #2 of 7Top 30%
📍 Chesterfield, MO: #56 of 279 inventorsTop 25%
🗺 Missouri: #190 of 1,010 inventorsTop 20%
Overall (1994): #127,666 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5340437 Process and apparatus for etching semiconductor wafers Roland R. Vandamme 1994-08-23