Electrodynamics, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0048,138 DISENGAGEABLE ELECTRICAL CAPACITIVE COUPLING SYSTEM TO PROVIDE ENHANCED CONDUCTIVITYAbandonedFeb 13, 01Apr 25, 02[H01G]
5714864 Capacitive charge coupling with dual connector assemblies and charging systemExpiredJan 10, 97Feb 03, 98[H01M]
5657002 Resettable latching indicatorExpiredDec 27, 95Aug 12, 97[G08B]
5633576 Battery charging method with stepped current profile with operating parameter compensation and associated chargerExpiredNov 21, 94May 27, 97[H02J]
5617080 Covert light indicatorExpiredOct 11, 94Apr 01, 97[G08B]
5581520 Watch driven elapsed time indicator apparatus and its method of manufacture and useExpiredJan 18, 94Dec 03, 96[G04B, G04F]
5367244 Battery charging method with stepped current profile and associated chargerExpiredJan 19, 93Nov 22, 94[H02J]
4694599 Electromagnetic flip-type visual indicatorExpiredNov 27, 85Sep 22, 87[G09F]
4277841 Elapsed time indicatorExpiredMar 14, 79Jul 07, 81[G04B, G04C, H02H]
4209185 Sensing apparatus with electrical actuation systemExpiredJan 11, 78Jun 24, 80[B60R]

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