GF

Gunter Frohn

📍 Altena, DE: #13 of 53 inventorsTop 25%
Overall (All Time): #2,313,155 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5172858 Process for supporting a railway track installation — 1992-12-22
4831783 Method and apparatus for surface grinding of small diameter long bore holes — 1989-05-23