DB

David Bunnell

JE Johnson Matthey Electronics: 1 patents #11 of 36Top 35%
Overall (All Time): #3,742,018 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5513834 Preparation of high purity elements Gerald Feldewerth, Alan B. I. Bollong 1996-05-07