FP

Friedhelm Porsfeld

📍 Passau, DE: #26 of 89 inventorsTop 30%
Overall (All Time): #2,320,737 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4890680 Machine for working rock, especially a block drilling machine — 1990-01-02
4577613 Pavement and masonry stone cutter — 1986-03-25