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Stack light
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Patent number D986086
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Issue date May 16, 2023
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Mallory Sonalert Products, Inc.
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Christopher M. Baldwin
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D10 - Measuring, testing, or signalling instruments
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Stack light
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Patent number D898600
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Issue date Oct 13, 2020
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Mallory Sonalert Products, Inc.
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Christopher M. Baldwin
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D10 - Measuring, testing, or signalling instruments
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Stack light
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Patent number 10,309,594
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Issue date Jun 4, 2019
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Mallory Sonalert Products, Inc.
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Christopher M. Baldwin
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Wireless tandem alarm
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Patent number 9,619,983
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Issue date Apr 11, 2017
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Mallory Sonalert Products, Inc.
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Christopher M. Baldwin
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G08 - SIGNALLING
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Wireless tandem alarm
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Patent number 9,030,318
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Issue date May 12, 2015
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Mallory Sonalert Products, Inc.
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Christopher M. Baldwin
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G08 - SIGNALLING
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Audible signaling device
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Patent number 7,880,593
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Issue date Feb 1, 2011
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Mallory Sonalert Products, Inc.
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Christopher M. Baldwin
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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