CALOF, LAWRENCE, AGENT FOR NOLAN K. BUSHNELL

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4602279 Method for providing targeted profile interactive CATV displaysExpiredMar 21, 84Jul 22, 86[H04N]
4573072 Method for expanding interactive CATV displayable choices for a given channel capacityExpiredMar 21, 84Feb 25, 86[H04N]
4507680 One way interactive multisubscriber communication systemExpiredJun 22, 82Mar 26, 85[H04M]
4264924 Dedicated channel interactive cable television systemExpiredAug 13, 79Apr 28, 81[H04N]
4264925 Interactive cable television systemExpiredAug 13, 79Apr 28, 81[H06N]

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