ROTRING-WERKE RIEPE KG, A CORP OF NJ

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4833490 Writing element with exchange mechanismExpiredSep 25, 87May 23, 89[G01D]
4764045 Writing instrument with reservoir having perpendicular fibersExpiredApr 16, 87Aug 16, 88[B43K]
4669617 Pen holder deviceExpiredSep 19, 85Jun 02, 87[A47F]
4558966 Writing instrument with sealing capExpiredSep 09, 83Dec 17, 85[B43K]
4548325 Technical pen holderExpiredMar 05, 84Oct 22, 85[B43K]

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