HG

Helmut Gelling

📍 Wangen, CH: #9 of 23 inventorsTop 40%
Overall (All Time): #2,373,756 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4214521 Rolling parallel printer 1980-07-29
4212554 Paper-feeding apparatus for a printer 1980-07-15