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Particulate and virus barrier
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Patent number 11,859,864
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Issue date Jan 2, 2024
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WUNDERLICH-MALEC ENGINEERING, INC.
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Timothy Charles Nygaard
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F24 - HEATING RANGES VENTILATING
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Air-wall room system
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Patent number 11,649,976
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Issue date May 16, 2023
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Patric N. Galvin
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F24 - HEATING RANGES VENTILATING
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3726203
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Patent number 3,726,203
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Issue date Apr 10, 1973
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3726204
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Patent number 3,726,204
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Issue date Apr 10, 1973
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F24 - HEATING RANGES VENTILATING