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Handheld transmitter
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Patent number D615438
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Issue date May 11, 2010
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Radio Systems Corporation
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Brent A. Goetzl
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D10 - Measuring, testing, or signalling instruments
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Portable communication device housing
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Patent number D573564
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Issue date Jul 22, 2008
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Radio Systems Corporation
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Brent A. Goetzl
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D14 - Recording, communication, or information retrieval equipment
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Seal for pet collar antenna
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Patent number 7,249,572
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Issue date Jul 31, 2007
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Radio Systems Corporation
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Brent Andrew Goetzl
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Pistol grip handheld transmitter
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Patent number D535973
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Issue date Jan 30, 2007
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Radio Systems Corporation
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Brent Andrew Goetzl
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D14 - Recording, communication, or information retrieval equipment
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