14 Utility Patents
#113 in Krefeld
#14,741 in Germany
#270,802 in the World
Forward Citations = 87
Company Filing History:


Suddeutsche Kalkstickstoff-werke Aktiengesellschaft
4. 2 out of 5
August Thyssen-hutte Ag
5. 1 out of 642
Metallgesellschaft Aktiengesellschaft
where one patent can have more than one assignee
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