KK

Krister Kallstrom

Overall (All Time): #2,329,389 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4814217 Fire resistant wall element 1989-03-21
4723385 Fire resistant wall construction 1988-02-09