Otto Tschanz

Belp

Trademarks, designs and patents

Mantelteil

European patent · EP0676580 · Inventor

Deleted
WIN-BOX

Swiss trademark · 423791 · Holder

Deleted
WIN-LINE

Swiss trademark · 414633 · Holder

Deleted
Isolation für Heizungsinstallationen, insbesondere für Ventile und Pumpen

Swiss patent · CH688973 · Inventor

Deleted