AH

Alfredo Hellemann

HA Hygrama Ag: 2 patents #4 of 19Top 25%
📍 Schongau, DE: #45 of 131 inventorsTop 35%
Overall (All Time): #2,186,377 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6679162 Working cylinder, switch valve and pressure-actuated working unit 2004-01-20
6276257 Working cylinder, switch valve and pressure-actuated working unit 2001-08-21