Hans Sieber
citizen of Widnau, Zuzwil SG
Commercial register
Managing director · sole signature · Zuzwil (SG)
until Aug 10, 2026Managing director · sole signature · Bronschhofen
until May 28, 2021Member of the board of directors · sole signature · Dietikon
until May 27, 2021Chair of the board of directors · sole signature
until Nov 2, 2004Member of the foundation board · joint signature by two · Mörschwil
until Feb 25, 2008Chair of the board of directors · joint signature by two · Zürich
until Jul 20, 2006Member of the board of directors · Neuchâtel
until Jul 2, 2001Member of the board of directors · sole signature · Zuzwil (SG)
until Feb 22, 1999sole signature
until Dec 13, 1996Member of the board of directors · sole signature · Waldkirch
until Jan 21, 1997Chair of the board of directors · joint signature by two · Zuzwil (SG)
until Jun 23, 1994Trademarks, designs and patents
Swiss patent · CH682229 · Holder, Inventor
European patent · EP0325626 · Holder
European patent · EP0288426 · Holder
Swiss patent · CH674196 · Holder, Inventor
European patent · EP0255477 · Holder
Swiss patent · CH673757 · Holder, Inventor
Swiss patent · CH673019 · Holder, Inventor
Swiss patent · CH672770 · Holder, Inventor
Swiss patent · CH671208 · Holder, Inventor
European patent · EP0213070 · Holder
European patent · EP0206992 · Holder
European patent · EP0203087 · Holder
Swiss patent · CH667865 · Holder, Inventor
Swiss patent · CH667064 · Holder, Inventor
Swiss patent · CH668955 · Holder, Inventor
Swiss patent · CH666463 · Holder, Inventor
European patent · EP0158656 · Holder
Swiss patent · CH664309 · Holder, Inventor
Swiss patent · CH665616 · Holder, Inventor
Swiss patent · CH661907 · Holder, Inventor
Swiss patent · CH661704 · Holder, Inventor
Swiss patent · CH661036 · Holder, Inventor
Swiss patent · CH661029 · Holder, Inventor