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Door closer diagnostics system
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Issue date Jan 24, 2023
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Schlage Lock Company LLC
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Daniel Langenberg
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door closer diagnostics system
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Patent number 10,947,764
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Issue date Mar 16, 2021
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Schlage Lock Compaq, y LLC
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Daniel Langenberg
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Counter
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Patent number 6,118,387
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Issue date Sep 12, 2000
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SMC Kabushiki Kaisha
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Katsumi Hagiwara
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G05 - CONTROLLING REGULATING
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2992818
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Patent number 2,992,818
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Issue date Jul 18, 1961
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G05 - CONTROLLING REGULATING