HK

H. Alan Karrfalt

BF Bridgestone Firestone: 2 patents #75 of 276Top 30%
Overall (All Time): #2,266,287 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5843552 Multicomponent self-sealing seam tape — 1998-12-01
4936071 Metal roof reroofing system and method — 1990-06-26