KO

Karl Ostbo

Overall (All Time): #1,653,398 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5285845 Heat exchanger element — 1994-02-15
4962296 Heat exchanger — 1990-10-09
4782892 Heat exchanger — 1988-11-08