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Inventor
MOSES JOSEPH
US
2 patents
Patents
2 patents
US5018751A
May 28, 1991
Stacked pole-piece ferrofluid seal apparatus
FERROFLUIDICS CORP
19 citations
71
US4927164A
May 22, 1990
Ferrofluid seal with epoxy pole pieces
FERROFLUIDICS CORP
12 citations
71