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Helfried Koertel

PM Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh: 1 patents #270 of 558Top 50%
📍 Friedberg, DE: #143 of 259 inventorsTop 60%
Overall (All Time): #3,740,407 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5507387 Foldable box for packaging of an electric lamp Werner Fiebig 1996-04-16