Charles Louis Humbert-Droz

citizen of La Chaux-de-Fonds, Neuchâtel

Commercial register

Dessin industriel, Charles-L. Humbert-Droz

Owner · sole signature · Neuchâtel

Owner · sole signature

until Feb 13, 2020

Trademarks, designs and patents

Tire-couvercle

Swiss patent · CH718687 · Agent

Deleted