Wilhelm A. Keller
Merlischachen
Trademarks, designs and patents
European patent · EP2424649 · Inventor
European patent · EP2303758 · Inventor
Swiss patent · CH700896 · Inventor
Swiss patent · CH700895 · Inventor
European patent · EP2085147 · Inventor
Swiss patent · CH699958 · Inventor
Swiss patent · CH699398 · Inventor
Swiss patent · CH699391 · Inventor
Swiss patent · CH698343 · Inventor
Swiss patent · CH699191 · Inventor
Swiss patent · CH699115 · Inventor
European patent · EP2139786 · Inventor
Swiss patent · CH699611 · Inventor
European patent · EP2018132 · Inventor
European patent · EP1986931 · Inventor
European patent · EP1968751 · Inventor
European patent · EP1763406 · Inventor
European patent · EP1550512 · Inventor
European patent · EP1531011 · Inventor
European patent · EP1426099 · Inventor
European patent · EP1106243 · Inventor
European patent · EP1595594 · Inventor
European patent · EP1350736 · Inventor
European patent · EP1000669 · Inventor
European patent · EP0855349 · Inventor
European patent · EP1574453 · Inventor
Swiss trademark · 419705 · Holder
European patent · EP0463990 · Holder
Swiss patent · CH681146 · Holder