8 Utility Patents
#23 in Willich
#29,269 in Germany
#481,031 in the World
Forward Citations = 234
Company Filing History:
Specialty Minerals (michigan) Inc.
Fried Krupp Ag Hoesch-krupp
4. 1 out of 44
Fried Krupp
5. 1 out of 268
Fried. Krupp Gesellschaft MIT Beschrankter Haftung
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