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FEISTEL NORBERT
CH
3 patents
Top patents
by PatentIndex Score
US9234479B2
Jan 12, 2016
Oil scraper ring
FEISTEL NORBERT
6 citations
74
US9810175B2
Nov 7, 2017
Oil scraper ring
FEISTEL NORBERT
2 citations
71
US8985588B2
Mar 24, 2015
Seal arrangement
FEISTEL NORBERT
5 citations
71