DR

Dirk Roosen

RK Roehm Gmbh & Co. Kg: 1 patents #9 of 54Top 20%
📍 Tienen, BE: #2 of 5 inventorsTop 40%
Overall (2003): #236,004 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6655001 Process for a diaphragm for electroacoustic transducers Leonhard Maier, Hermann Seibert 2003-12-02