Brader, Kurt

Winterthur

Trademarks, designs and patents

Wärmeisolationsfenster

Swiss patent · CH665255 · Inventor

Deleted
Wärmeflussdämmendes Fenster

Swiss patent · CH659285 · Inventor

Deleted
Wärmeflusshemmendes Fenster

Swiss patent · CH661769 · Inventor

Deleted
Selbsttragendes Isolationselement

Swiss patent · CH653404 · Inventor

Deleted