Stewart Warner Instrument Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4954802 Bi-metal temperature switchExpiredMay 19, 89Sep 04, 90[H01H]
4928526 Universal fuel senderExpiredNov 29, 88May 29, 90[G01F]
4920798 Liquid level sender with linear floatExpiredNov 17, 88May 01, 90[G01F]
4768300 Illuminated information displayExpiredMar 28, 86Sep 06, 88[G09F]
4758784 Air core gauge with zero pointer return related applicationExpiredJan 27, 87Jul 19, 88[G01R]
4732034 Tachometer kit with alternator pick upExpiredFeb 29, 84Mar 22, 88[G01P]
4700170 Condition sensing rheostat and method of manufactureExpiredApr 12, 85Oct 13, 87[H01C]
4651701 Submersible fuel pump and sender assemblyExpiredFeb 13, 86Mar 24, 87[F04B]

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