WS

Walter Spahn

MG Messer Griesheim Gmbh: 1 patents #76 of 258Top 30%
📍 Frankfurt am Main, DE: #1,132 of 1,925 inventorsTop 60%
Overall (All Time): #3,929,355 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4835974 Process for the removal of impurities from exhaust gases — 1989-06-06