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Engraving member
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Patent number 6,940,621
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Issue date Sep 6, 2005
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Hell Gravure Systems GmbH
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Dieter Carstens
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Laser radiation source
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Patent number 6,888,853
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Issue date May 3, 2005
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Hell Gravure Systems GmbH
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Heinrich Jürgensen
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Method for signal processing
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Patent number 6,768,561
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Issue date Jul 27, 2004
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Hell Gravure Systems GmbH
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Dieter Fangmeyer
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Engraver
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Patent number 6,736,035
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Issue date May 18, 2004
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Hell Gravure Systems GmbH
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Dieter Carstens
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Signal processing method
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Patent number 6,717,701
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Issue date Apr 6, 2004
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Hell Gravure Systems GmbH
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Axel von Höveling
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Multi-beam exposure method
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Patent number 6,570,603
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Issue date May 27, 2003
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Hell Gravure Systems GmbH
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Peter Ressel
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G06 - COMPUTING CALCULATING COUNTING
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98748814 - HD GRAVURE
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Serial number 98748814
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Filing date Sep 13, 2024
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HELL Gravure Systems GmbH & Co. KG
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7 - Machines and machine tools
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79325248 - HQH
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Serial number 79325248
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Registration number 6951972
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Filing date Jul 24, 2021
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HELL Gravure Systems GmbH & Co. KG
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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79252240 - HD GRAVURE
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Serial number 79252240
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Filing date Jan 8, 2019
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HELL Gravure Systems GmbH & Co. KG
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7 - Machines and machine tools
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79080321 - HELL GRAVURE SYSTEMS
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Serial number 79080321
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Registration number 3916282
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Filing date Dec 17, 2009
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HELL Gravure Systems GmbH & Co. KG
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7 - Machines and machine tools