HP

Helmet Pennig

FF Firma Carl Freudenberg: 1 patents #255 of 512Top 50%
Overall (All Time): #3,628,234 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6122814 Method for forming a ring with a chamfered section Wolfgang Nickl, Wilhelm Dieter 2000-09-26