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Sliding-door assembly
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Patent number 10,151,133
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Issue date Dec 11, 2018
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GRETSCH-UNITAS GMBH BAUBESCHLAEGE
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Udo Dieners
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Locking device
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Patent number 6,327,881
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Issue date Dec 11, 2001
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Gretsch-Unitas GmbH Baubeschlage
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Daniel Gründler
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Lock, in particular mortise lock
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Patent number 5,878,605
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Issue date Mar 9, 1999
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Gretsch-Unitas GmbH Baubeschlage
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Walter Renz
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Ventilator apparatus
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Patent number 4,557,321
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Issue date Dec 10, 1985
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Gretsch-Unitas GmbH
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Julius M. von Resch
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F24 - HEATING RANGES VENTILATING
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Window and door mounting
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Patent number 4,453,345
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Issue date Jun 12, 1984
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Gretsch-Unitas GmbH Baubeschlagfabrik
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Julius Maus
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Ventilation register
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Patent number 4,428,279
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Issue date Jan 31, 1984
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Gretsch-Unitas GmbH
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Julius Maus
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F24 - HEATING RANGES VENTILATING
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Ventilating device
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Patent number 4,050,364
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Issue date Sep 27, 1977
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Gretsch-Unitas GmbH Baubeschlagfabrik
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Julius Maus
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F24 - HEATING RANGES VENTILATING