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DR Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler: 1 patents #70 of 180Top 40%
Overall (All Time): #4,121,293 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4226803 Process for production of optically active bases Karl H. Klingler 1980-10-07