GERALD AND LEONA R. SINGER FAMILY TRUST

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5672377 Method of forming a solid electrolytic capacitorExpiredMar 25, 96Sep 30, 97[B05D]
5305195 Interactive advertising system for on-line terminalsExpiredMar 25, 92Apr 19, 94[G06F]
4554446 Supermarket inventory control system and methodExpiredNov 18, 83Nov 19, 85[G06K]

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