GJ

Giovanni Jahier

Overall (All Time): #2,128,212 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7819090 Heat exchange apparatus, particularly fire tube condensing boiler 2010-10-26
4516534 Steel construction solid-fuel firing boiler for civil heating applications 1985-05-14