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  • US924127A โ€” “Alarm-clock” โ€” Hiram Phelps Arms โ€” 1909
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  • Device for waking persons from sleep โ€” Samuel S. Applegate โ€” 1882
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  • US315603A โ€” “Alarm-clock” โ€” Walter D. Davies โ€” 1885
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  • US900293A โ€” “Alarm-clock” โ€” inventor as listed on patent โ€” 1908
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