11 Utility Patents
#1 in Hufschlag
#20,692 in Germany
#363,407 in the World
Forward Citations = 67
Company Filing History:


Metallgesellschaft Aktiengesellschaft
4. 1 out of 13
Suddeutsche Kalkstickstoff-werke Aktiengesellschaft
where one patent can have more than one assignee
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