LP

Ludwig Pfeiffer

📍 Kassel, DE: #199 of 565 inventorsTop 40%
Overall (All Time): #2,321,486 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4898496 Apparatus for underground tunneling Wilfried Werner 1990-02-06
4688854 Apparatus for making small-bore tunnels — 1987-08-25