10 Utility Patents
#16 in Kassel
#23,461 in Germany
#405,216 in the World
Forward Citations = 4
Company Filing History:
Wintershall Holding Gmbh

Elektro-thermit Gmbh & Co. Kg
4. 1 out of 1
Institute of Petroleum Chemistry of the Siberian Branch of the Russian Academy of Sciences
5. 1 out of 1
Institute of Petroleum Chemistry of the Siberian Branch of the Russian Academy
where one patent can have more than one assignee
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