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on 29 Sep 2007
Ferrofluidics Corporation
75667891 · 24 Mar 1999
009
Educational science kits composed primarily of magnets, magnetic fluid...
on 14 Jul 2007
FERROFLUIDICS CORPORATION
73543994 · 20 Jun 1985
007
PARTS FOR MACHINES, NAMELY FLUID-FILM BEARING SPINDLES,"TECHNOLOGY",PA...
on 13 Mar 2004
Ferrofluidics Corporation
74673194 · 24 Apr 1995
004
007
oil-based fluid which acts as a damper for electric stepping motors,el...
on 01 Nov 2003
Ferrofluidics Corporation
74248171 · 21 Feb 1992
001
F FERRO SOUND,F FERRO SOUND,ferrofluid composition for use in the voic...
on 20 Jul 2002
Ferrofluidics Corporation
74527585 · 11 May 1994
001
ferrofluid composition for use in the voice coil gap of loudspeakers,f...
on 28 Jun 2001
Ferrofluidics Corporation
75667890 · 24 Mar 1999
009
Educational science kits composed primarily of magnets, magnetic fluid...
on 04 Apr 1997
Ferrofluidics Corporation
74481223 · 24 Jan 1994
017
FERRO-SEAL,magnetic liquid seals for rotating and sliding processing e...
on 10 Oct 1994
FERROFLUIDICS CORPORATION
72423467 · 05 May 1972
035
HERMETIC SHAFT SEALS,HERMETIC SHAFT SEALS
on 07 Oct 1993
Ferrofluidics Corporation
74297033 · 21 Jul 1992
001
ferrofluid-based suspension for use in the voice coil gap of loudspeak...
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