HF

Helmut Frodermann

DG Durkoppwerke Gmbh: 1 patents #1 of 10Top 10%
Overall (1982): #20,728 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4343251 Sewing machine Heinz Goldbeck 1982-08-10