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Top-mounted door closer
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Patent number 5,901,412
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Issue date May 11, 1999
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Dorma 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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Door closer
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Patent number 4,999,872
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Issue date Mar 19, 1991
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Dorma 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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Door closer
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Patent number 4,937,913
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Issue date Jul 3, 1990
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Dorma 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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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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