Léon Chaillet

Creux-de-Genthod

Trademarks, designs and patents

HOME-O-THERM

Swiss trademark · 294141 · Holder

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Paroi amovible insonorisée

Swiss patent · CH610973 · Holder, Inventor

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Appareil pour la production d'un fluide chaud

Swiss patent · CH579754 · Holder

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Elément chauffant électrique

Swiss patent · CH586988 · Holder

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