Helsingborg, Sweden

Tretorn Aktiebolag


USPTO Granted Patents = 3

Trademarks = 6

Forward Citations = 72

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3 inventors (with patents filed for the assignee):

goldMedal Antonio M Bertone (2 out of 3 patents)

silverMedal Enrico Carbonere (2 out of 2 patents)

bronzeMedal Lennart J Frisk (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#28 in Helsingborg

#1,563 in Sweden

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Helsingborg, Sweden
Forward Citations = 72

3 inventors:

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