Winterthur, Switzerland

K.k. Holdings Ag


USPTO Granted Patents = 1

Forward Citations = 5

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2 inventors (with patents filed for the assignee):

goldMedal Kurt Vollenweider (1 out of 6 patents)

silverMedal Hans Conrad Sonderegger (1 out of 18 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#53 in Winterthur

#4,313 in Switzerland

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Winterthur, Switzerland
Forward Citations = 5

2 inventors:

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