ED

Erich Druffel

DG Durkoppwerke Gmbh: 2 patents #14 of 42Top 35%
Overall (All Time): #2,343,767 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4679513 Thread-tensioning device for a bobbin housing — 1987-07-14
4279210 Looper thread tension device — 1981-07-21