RK

Ryzard Kummerfeld

DK Dräger Medical Ag & Co. Kg: 2 patents #28 of 111Top 30%
Overall (All Time): #2,148,525 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7441923 Operating room light fixture and handle with control element Margret Hünerbein, Georg Schlor, Joachim Schröter, Ingolf Diez 2008-10-28
7401944 Operating room light fixture having two light sources and a control unit Margret Hünerbein, Georg Schlor, Joachim Schröter, Ingolf Diez 2008-07-22