Otto Keller

Schüpfheim

Trademarks, designs and patents

Pillen-Box-Facheinteilung

Swiss design · 120115 · Holder

Deleted
Distanzierungselement für Körperbelüftung

Swiss patent · CH679826 · Holder, Inventor

Deleted
Schuh-Einlagesohle

Swiss patent · CH652894 · Holder, Inventor

Deleted