EA

Edgar Arnold

📍 Büron, CH: #1 of 3 inventorsTop 35%
Overall (All Time): #2,335,761 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE32621 Frame girder for underground drift and shaft construction — 1988-03-15
4335556 Frame girder for underground drift and shaft construction — 1982-06-22