Walchwil, Switzerland

Vetrotech Ag


USPTO Granted Patents = 2

Forward Citations = 48

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5 inventors (with patents filed for the assignee):

goldMedal Horst Seidel (2 out of 3 patents)

silverMedal Simon Frommelt (1 out of 7 patents)

bronzeMedal Christoph Giesbrecht (1 out of 1 patent)

4 Walter Egli (1 out of 1 patent)

5 Chrisoph Schmalt (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#2 in Walchwil

#3,010 in Switzerland

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Walchwil, Switzerland
Forward Citations = 48

5 inventors:

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