INVESTRONICA, S.A.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0044,626 System for recognizing and validating banknotesAbandonedMay 28, 03Mar 04, 04[G06F]
5211523 Assembly for programmed controlled handling and transporting of boxes, containers or the likeExpiredJan 30, 91May 18, 93[B66C]
5156513 Apparatus for handling clothes on hangersExpiredOct 04, 91Oct 20, 92[B65G]
5012584 Marking tool drive system for a drawing machine or similar type of machineExpiredJun 29, 89May 07, 91[B43L, G01D]
5001954 Sealing system for a cutting table having vacuum clampingExpiredApr 15, 88Mar 26, 91[B26D]
4878577 Peg for overhead trouser conveyorExpiredNov 01, 88Nov 07, 89[B65G]
4835872 Automatic apparatus for drawing on and scoring of sheet materialExpiredDec 18, 86Jun 06, 89[B43L, G01D]
4762040 Blade sharpening and guide mechanismExpiredApr 14, 87Aug 09, 88[B26D]
4761657 Method for feeding a drawing medium such as paper in a drawing plotterExpiredJul 24, 87Aug 02, 88[G01D]
4740668 Method and apparatus for cutting sheet material using plasma arc cutting toolExpiredMar 27, 86Apr 26, 88[B23K]
4603630 Machine for continuously perforating wide paperExpiredJun 13, 84Aug 05, 86[B41F]

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