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Door check
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Patent number 4,785,493
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Issue date Nov 22, 1988
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Dorma-Baubeschlag GmbH & Co. KG.
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Horst Tillmann
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door closer
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Patent number 4,660,250
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Issue date Apr 28, 1987
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Dorma-Baubeschlag GmbH & Co. KG.
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Horst Tillman
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door check
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Patent number 4,658,468
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Issue date Apr 21, 1987
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Dorma-Baubeschlag GmbH & Co. KG.
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Horst Tillmann
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Automatic door lock
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Patent number 4,580,365
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Issue date Apr 8, 1986
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Dorma-Baubeschlag GmbH & Co. KG.
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Giselher Sieg
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Automatic door closer
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Patent number 4,376,323
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Issue date Mar 15, 1983
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Dorma-Baubeschlag GmbH & Co. KG
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Horst Tillmann
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Automatic door closer
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Patent number 4,349,939
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Issue date Sep 21, 1982
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Dorma-Baubeschlag GmbH & Co. KG
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Horst Tillmann
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door closer
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Patent number 4,263,694
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Issue date Apr 28, 1981
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Dorma-Baubeschlag GmbH & Co. KG
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Dietrich Jentsch
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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