Nieuwegein, Netherlands

Du Pont Optical Company


USPTO Granted Patents = 3

Forward Citations = 31

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7 inventors (with patents filed for the assignee):

goldMedal Josephus M Wijn (1 out of 7 patents)

silverMedal Johannes P Van Liempd (1 out of 7 patents)

bronzeMedal George H Johnson (1 out of 5 patents)

4 Howard E Simmons (1 out of 10 patents)

5 Horst-Christian Langowski (1 out of 3 patents)

6 Bjorn Bluthgen (1 out of 5 patents)

7 Gerhard F Eggers (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#7 in Nieuwegein

#1,638 in Netherlands

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Nieuwegein, Netherlands
Forward Citations = 31

7 inventors:

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