7 Utility Patents
#45 in Oberhausen
#36,011 in Germany
#592,139 in the World
Forward Citations = 38
Company Filing History:

Nippon Steel Corporation

4. 1 out of 6
Dr. C. Otto Feuerfest Gmbh
5. 1 out of 1
Eisenwerk Heinrich Schilling Gmbh & Co.
where one patent can have more than one assignee
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