BD

Bertram Dupuis

BK Beru Ruprecht Gmbh & Co. Kg: 2 patents #7 of 28Top 25%
VK Vacuumschmelze Gmbh & Co. Kg: 1 patents #83 of 171Top 50%
📍 Ludwigsburg, DE: #380 of 925 inventorsTop 45%
Overall (All Time): #2,307,398 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5093555 Glow plug having cobalt/iron alloy regulating filament Max Endler, Paul Bauer 1992-03-03
5091631 Glow plug having a series connection of resistant filaments Max Endler, Paul Bauer 1992-02-25