MDC Max Datwyler Bleienbach AG

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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Expired/Abandoned/Withdrawn Patents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
6762859 Process for generation of engraving dataExpiredApr 14, 00Jul 13, 04[H04N, B41C]
6462307 Process for producing an intensity distribution over a working laser beam and a device for this purposeExpiredJul 11, 00Oct 08, 02[B23K]
5942837 Highly dynamic piezo-electric drive mechanismExpiredMar 27, 97Aug 24, 99[H01L]
5816756 Device for engraving intaglio cylindersExpiredMay 01, 96Oct 06, 98[B41C, B23D]
5785325 Shaft bearing on a machine toolExpiredApr 25, 96Jul 28, 98[B23B]
5112171 Milling head for the fine machining of workpieces, in particular gravure cylindersExpiredNov 23, 90May 12, 92[B23C]
4830552 Device for engraving intaglio printing cylindersExpiredOct 01, 87May 16, 89[B23C]
4805312 Engraving head for apparatus for engraving printing cylindersExpiredJun 05, 87Feb 21, 89[B41C]
4693792 System for electrolytical treatment of printing cylindersExpiredDec 10, 86Sep 15, 87[C25D]
4599944 Wrap-on printing plate structures and assembliesExpiredApr 16, 84Jul 15, 86[B41F]

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