Forward Citations = 14

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3 inventors (with patents filed for the assignee):

Helmut Wittkopp (1 out of 15 patents)

Hans W Obrig (1 out of 4 patents)

Nis-Friedrich Ewald (1 out of 1 patent)

1 patent: Sort by Forward Citations

#14 in Erkelenz

#15,083 in Germany

Wilhelm Hegenscheidt Gesellschaft Gmbh

Forward Citations = 14

3 inventors:

Helmut Wittkopp (1 out of 15 patents)

Hans W Obrig (1 out of 4 patents)

Nis-Friedrich Ewald (1 out of 1 patent)

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