Heerlen, Netherlands

Dsm N.w.


USPTO Granted Patents = 1

Forward Citations = 10

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3 inventors (with patents filed for the assignee):

goldMedal Nicolaas F Haasen (1 out of 9 patents)

silverMedal Otto E Sielcken (1 out of 14 patents)

bronzeMedal Frank P Agterberg (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#9 in Heerlen

#3,283 in Netherlands

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Heerlen, Netherlands
Forward Citations = 10

3 inventors:

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