7 Utility Patents
#70 in Duisburg
#35,953 in Germany
#591,200 in the World
Forward Citations = 47
Company Filing History:

Suddeutsche Kalkstickstoff-werke Aktiengesellschaft

4. 1 out of 5
August Thyssen-hutte Ag
5. 1 out of 12
Thyssen Aktiengesellschaft Vorm. August Thyssen-hutte
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