DATAPRODUCTS USA LLC

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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Expired/Abandoned/Withdrawn Patents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
6844890 Toner cartridge adaptorExpiredOct 10, 03Jan 18, 05[G03G]
5713677 Ink ribbon cartridge having transfer roller with staggered upper and lower teeth arrangementExpiredJun 25, 96Feb 03, 98[B41J]
4856923 Ribbon shieldExpiredMay 18, 87Aug 15, 89[B41J]

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