7 Utility Patents
#137 in Hannover
#35,276 in Germany
#574,846 in the World
Forward Citations = 78
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4. 1 out of 104

5. 1 out of 1
Jan-gerd Frerichs
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#137 in Hannover
#35,276 in Germany
#574,846 in the World
Company Filing History:




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