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Smokers module
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Patent number 10,663,183
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Issue date May 26, 2020
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Johnny Stewart
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B08 - CLEANING
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Portable smoking room
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Patent number 7,147,553
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Issue date Dec 12, 2006
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Daniel James Leask
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F24 - HEATING RANGES VENTILATING
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Portable smoking booth
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Patent number 5,537,787
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Issue date Jul 23, 1996
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Abraham; Dennis
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Dennis Abraham
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F24 - HEATING RANGES VENTILATING
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Smoker's module
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Patent number 5,472,466
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Issue date Dec 5, 1995
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James H. Oler
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F24 - HEATING RANGES VENTILATING
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Smoker's booth
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Patent number 5,181,883
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Issue date Jan 26, 1993
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Quality Air Systems, Inc.
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Joseph S. Hofstra
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B08 - CLEANING
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Smoker's booth
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Patent number 5,085,134
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Issue date Feb 4, 1992
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Joseph S. Hofstra
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B08 - CLEANING
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Smoke-free work area
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Patent number 4,623,367
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Issue date Nov 18, 1986
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Ralph E. Paulson
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F24 - HEATING RANGES VENTILATING