RW

Ralph Wichmann

📍 Schaffhausen, CH: #99 of 294 inventorsTop 35%
Overall (All Time): #1,596,577 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6837593 Reflector for a reflector lamp, lamp and canopy for a lamp Ottokar Schütz, Werner Maurer, Urs Schürmann 2005-01-04
D487598 Lamp Ottokar Schuetz 2004-03-16
D485635 Lamp Ottokar Schuetz 2004-01-20