Contraves Goerz Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5304913 Multiphase pulse width modulator for a multiphase motorExpiredOct 05, 90Apr 19, 94[H02P]
5098203 Bearing systemExpiredMar 11, 91Mar 24, 92[F16C]
5051747 Interface for cablesExpiredFeb 27, 90Sep 24, 91[H05K]
4908558 Spherical motion simulatorExpiredApr 22, 88Mar 13, 90[H02K, H02P]
4540925 Control system for electric motorExpiredJul 19, 84Sep 10, 85[G05B]
4495557 Switching controller directly operable from ACExpiredDec 15, 81Jan 22, 85[H02P]
4355336 Digitally controlled electro-optical imaging systemExpiredFeb 22, 71Oct 19, 82[H04N]
4272807 Regenerative DC power supplyExpiredJul 20, 79Jun 09, 81[H02M]
4270164 Short circuit protection for switching type power processorsExpiredFeb 28, 79May 26, 81[H02M]
4199800 Brushless DC tachometerExpiredMay 01, 78Apr 22, 80[G01P]

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