LH

Lars Hellmer

DA Davy International Ag: 1 patents #10 of 22Top 50%
Overall (All Time): #4,101,168 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4302434 Process for producing hydrogen and sulphur from hydrogen sulphide Gerhard Keunecke, Rainer Lell, Ghazi R. Al-Muddarris, Reinhard Pachaly, Adolf Stauffer +1 more 1981-11-24