Cambridge Aeroflo, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5672948 Digital, Back EMF, single coil sampling, sensorless commutator system for a D.C. motorExpiredNov 15, 94Sep 30, 97[H02P]
4903188 Pulse width modulated inductive load controllerExpiredDec 20, 88Feb 20, 90[H02M]

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