JH

John B. Hedge

AX Advanced Ceramic X: 1 patents #14 of 32Top 45%
Overall (All Time): #3,788,467 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5277934 Method for protecting a graphite chuck for a starter filament in the manufacture of polycrystalline silicon Michael H. Gilbert, Sr., Paul J. Walsh 1994-01-11