Klaus Ritter
Graz
Trademarks, designs and patents
Swiss design · 129892 · Designer
Swiss patent · CH689645 · Inventor
Swiss patent · CH677249 · Inventor
Swiss patent · CH675442 · Inventor
Swiss patent · CH670208 · Inventor
Swiss patent · CH662758 · Inventor
Swiss patent · CH640799 · Inventor
Swiss patent · CH639020 · Inventor
Swiss patent · CH634492 · Inventor
Swiss patent · CH635773 · Inventor
Swiss patent · CH633209 · Inventor
Swiss patent · CH633738 · Inventor
Swiss patent · CH633064 · Inventor
Swiss patent · CH627100 · Inventor
Swiss patent · CH617487 · Inventor
Swiss patent · CH617740 · Inventor
Swiss patent · CH616352 · Inventor
Swiss patent · CH604950 · Inventor
Swiss patent · CH615375 · Inventor
Swiss patent · CH617110 · Inventor
Swiss patent · CH597936 · Inventor
Swiss patent · CH602217 · Inventor
Swiss patent · CH604949 · Inventor
Swiss patent · CH596897 · Inventor
Swiss patent · CH593726 · Inventor
Swiss patent · CH597678 · Inventor
Swiss patent · CH594473 · Inventor
Swiss patent · CH587766 · Inventor
Swiss patent · CH577868 · Inventor
Swiss patent · CH575259 · Inventor
Swiss patent · CH547133 · Inventor