JE

Josef Eisermann

DW Dyckerhoff & Widmann: 1 patents #32 of 81Top 40%
Overall (All Time): #3,856,177 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5135164 Prestressed concrete railroad tie Peter Auer, Helmut Lieske, Gunther Leykauf, Peter Plica 1992-08-04