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Method for treating gas streams
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Patent number 4,668,489
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Issue date May 26, 1987
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EFB Inc.
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Jeffrey Alexander
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method for treating gas streams
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Patent number 4,542,000
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Issue date Sep 17, 1985
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EFB, Inc.
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Jeffery C. Alexander
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filter apparatus
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Patent number 4,505,723
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Issue date Mar 19, 1985
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EFB Inc.
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Karim Zahedi
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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85845721 - HEALTHY AIR
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Serial number 85845721
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Filing date Feb 10, 2013
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EFB, Inc.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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85191266 - EHEPA
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Serial number 85191266
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Registration number 3949620
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Filing date Dec 6, 2010
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EFB, INC
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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77795479 - EHEPA
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Serial number 77795479
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Filing date Aug 3, 2009
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EFB, Inc.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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77772268 - HEALTHY AIR BY HEALTHWAY
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Serial number 77772268
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Filing date Jul 1, 2009
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EFB, Inc.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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77771080 - HEALTHY AIR
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Serial number 77771080
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Filing date Jun 30, 2009
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EFB, Inc.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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78757495 - EFB
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Serial number 78757495
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Registration number 3205424
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Filing date Nov 18, 2005
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EFB Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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73178627 - EFB
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Serial number 73178627
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Registration number 1135023
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Filing date Jul 17, 1978
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EFB INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments