CorporationMethod and apparatus for analyzing and detecting faults in bearings and other rotating components that slipUS5530343Oct 7, 1994Jun 25, 1996Computational Systems, Inc.Induction motor speed determination by flux spectral analysisUS5533413Jun 1, 1995Jul 9, 1996Yokogawa Electric CorporationEquipment diagnosis systemUS5539252 *May 16, 1995Jul 23, 1996Macsema, Inc.Fastener with onboard memory