Inventor
STEIN GUENTER
11 patents
⚠️ This page may combine multiple inventors who share the name “STEIN GUENTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FREUDENBERG CARL FA
4 patentsUS5507505AApr 16, 1996
Rod or piston seal with grooved surface
FREUDENBERG CARL FA46 citations93
US5630980AMay 20, 1997
Process of making a seal with grooved surface
FREUDENBERG CARL FA6 citations71
US5679838AOct 21, 1997
Prevention of or reduction in the formation of amines and N-nitrosamines during the manufacture and use of elastomers
FREUDENBERG CARL FA2 citations60
US5658990AAug 19, 1997
Prevention of or reduction in the formation of amines and N-nitrosamines during the manufacture and use of elastomers
FREUDENBERG CARL FA2 citations60