NR

Norbert Ricken

CK Carl Kurt Walther Gmbh & Co. Kg: 2 patents #5 of 20Top 25%
📍 Bochum, DE: #329 of 1,022 inventorsTop 35%
Overall (All Time): #2,271,485 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5645106 Plug-type coupler — 1997-07-08
5447177 Separating device for conduits Wolfgang Kaul 1995-09-05