HF

Helmut W. Frohnheiser

📍 Obertshausen, DE: #60 of 119 inventorsTop 55%
Overall (All Time): #3,924,959 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4819541 Control of a double-action pneumatic drive Franz F. Pitsch, Hans E. Winkelmann, Guenther Herbert 1989-04-11