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USPTO Patent Rankings Data through Sept 30, 2025
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Gunther Brenner — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #2,371,794 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4291037 7-(Oxoalkyl)-1,3-di-n-iso-propyl xanthines and their production Joachim Goring, Eskendar Ali Khan, Oskar Rohte, Manfred Tauscher 1981-09-22
4242345 7-(Oxoalkyl)-1,3-dialkyl xanthines, and medicaments containing them Joachim Goring, Eskendar Ali Khan, Oskar Rohte, Manfred Tauscher 1980-12-30