Turku, Finland

Insinooritoimisto Lehtonen & Siirila Oy


USPTO Granted Patents = 1

Forward Citations = 21

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3 inventors (with patents filed for the assignee):

goldMedal Arjo Harjula (1 out of 4 patents)

silverMedal Reijo Mattila (1 out of 1 patent)

bronzeMedal Harri Eronen (1 out of 3 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#76 in Turku

#1,468 in Finland

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Turku, Finland
Forward Citations = 21

3 inventors:

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