JB

James R Berna

FI Filtertek: 1 patents #20 of 36Top 60%
Overall (All Time): #3,416,038 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7041217 Filter rings Jeffery A Close, Eugene W. Altwies 2006-05-09