SE

Siegfried Ergezinger

KN Koninklijke Kpn N.V.: 1 patents #1 of 9Top 15%
📍 Mettmann, DE: #1 of 12 inventorsTop 9%
Overall (2011): #35,744 of 364,097Top 10%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7983658 Method and system to enable email services for mobile devices Lutz Wolfgang Grüneberg 2011-07-19
7898989 Call-number based customer identification method for personalizable internet portals Dieter Plabmann 2011-03-01
7865719 Method for establishing the authenticity of the identity of a service user and device for carrying out the method Christian Muller, Alexis Trolin, Anita Döhler 2011-01-04