GROSWITH, CHARLES T., III

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5143502 Paper sheets binding apparatusExpiredFeb 27, 91Sep 01, 92[B42B]
5102167 End-reinforced bookbinding strip for impact resistanceExpiredAug 07, 90Apr 07, 92[B42D, B42B]
5080398 Paper sheets binding system with dual orientation binding posts to resist multiple failure modesExpiredOct 17, 90Jan 14, 92[B42F, B42D]
4973085 End-reinforced bookbinding strip for impact resistanceExpiredAug 15, 89Nov 27, 90[B42D]
4887925 Prong and tang binding systemExpiredAug 26, 88Dec 19, 89[B42F]
4874186 Paper sheets binding systemExpiredNov 13, 87Oct 17, 89[F16B, B42F, B42D]
4730972 Book binding method, paper sheets binder and adjustable spineExpiredMar 14, 86Mar 15, 88[B42F, B42B, B42C]

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