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Helmut; Kolkhorst

KK Kolbus Gmbh & Co. Kg: 1 patents #47 of 89Top 55%
Overall (All Time): #3,917,420 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
4978267 Device for casing inner books in book covers — 1990-12-18