CONVERSATIONAL SYSTEMS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4348638 Power measuring apparatusExpiredApr 24, 80Sep 07, 82[G01R, H01F]
4281313 Barooptical verification apparatusExpiredJun 15, 79Jul 28, 81[G06K]
4236112 Power measuring apparatusExpiredJul 17, 78Nov 25, 80[G01R]
4204115 Removably attachable watt-hour meter monitor deviceExpiredMar 30, 78May 20, 80[G02B, G01D]

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