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Inventor
RAPP HERMANN
DE
3 patents
⚠️ This page may combine multiple inventors who share the name “RAPP HERMANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FREUDENBERG CARL FA
2 patents
US4568092A
Feb 4, 1986
Lip seal
FREUDENBERG CARL FA
42 citations
87
US4911454A
Mar 27, 1990
Radial shaft sealing ring
FREUDENBERG CARL FA
14 citations
67
PORSCHE AG
1 patent
US6336881B1
Jan 8, 2002
Chain drive for internal-combustion engines
PORSCHE AG
30 citations
90