UNISEN, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0113,223 METHODS FOR SIMULATING RESISTANCE OF ROAD-GOING BICYCLEAbandonedJan 12, 10May 06, 10[B23P, A63B]
2007/0197,345 Motivational displays and methods for exercise machineAbandonedFeb 08, 07Aug 23, 07[A63B]
4842266 Physical exercise apparatus having motivational displayExpiredAug 27, 86Jun 27, 89[A63B]
4810946 Adaptive pulsing motor control for positioning systemExpiredNov 04, 82Mar 07, 89[G05B]
4749181 Motor-driven exercise apparatus having runaway prevention systemExpiredSep 30, 86Jun 07, 88[A63B]
4571530 Adaptive pulsing motor control for positioning systemExpiredFeb 01, 84Feb 18, 86[G05B]
4544869 Electronic control circuit for bi-directional motionExpiredOct 05, 83Oct 01, 85[H02P]
4353019 Adaptive pulsing motor control for positioning systemExpiredJul 29, 80Oct 05, 82[G05B]

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