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Volatile material dispensing system
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Patent number 11,213,023
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Issue date Jan 4, 2022
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S. C. Johnson & Son, Inc.
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Hai Yan Cao
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Dispensing device
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Patent number 9,498,554
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Issue date Nov 22, 2016
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S. C. Johnson & Son, Inc.
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Hai Yan Cao
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dispensing device
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Patent number D733275
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Issue date Jun 30, 2015
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S. C. Johnson & Son, Inc.
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Hai Yan Cao
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D23 - Environmental heating and cooling
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Dispensing device
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Patent number D730505
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Issue date May 26, 2015
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S. C. Johnson & Son, Inc.
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Hai Yan Cao
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D23 - Environmental heating and cooling