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For the Inventor, By the Inventor

Mannheim, Germany

Fertiva Gmbh


USPTO Granted Patents = 1


Forward Citations = 36

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4 inventors (with patents filed for the assignee):

goldMedal Alexander Wissemeier (1 out of 31 patents)

silverMedal Wolfgang Weigelt (1 out of 6 patents)

bronzeMedal Ralf-Thomas Rahn (1 out of 18 patents)

4.  Gerd Buehler (1 out of 1 patent)

5.  Gerd Bühler (0 patent)


1 patent:

1. 8603211 - Mixture for the treatment of urea-containing fertilizers (2013-12-10),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#84 in G-6800 Mannheim

#15,349 in Germany

Mannheim, DE
Mannheim, Germany

Fertiva Gmbh

Forward Citations = 36

4 inventors:

goldMedal Alexander Wissemeier (1 out of 31 patents)

silverMedal Wolfgang Weigelt (1 out of 6 patents)

bronzeMedal Ralf-Thomas Rahn (1 out of 18 patents)

4.  Gerd Buehler (1 out of 1 patent)

5.  Gerd Bühler (0 patent)

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