EH

Ernst Hackenberg

📍 Fohnsdorf, AT: #6 of 13 inventorsTop 50%
Overall (All Time): #3,440,550 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6851225 Device for equalizing changes in level between a ground area surface and a frame for a manhole cover, and a method for mounting the device Egon Haar 2005-02-08