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-
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Exhaust system interlocking mechanism
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Patent number 8,672,367
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Issue date Mar 18, 2014
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M&G DuraVent, Inc.
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John R. Jacklich
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gasket-less vent pipe coupling
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Patent number 8,505,981
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Issue date Aug 13, 2013
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M&G DuraVent, Inc.
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John R. Jacklich
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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-
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Direct vent cap
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Patent number 8,156,931
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Issue date Apr 17, 2012
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M&G DuraVent, Inc.
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John R. Jacklich
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F24 - HEATING RANGES VENTILATING
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87399154 - DURAZDUCT
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Serial number 87399154
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Filing date Apr 5, 2017
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M&G DURAVENT, INC.
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6 - Common metals and their alloys
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86625190 - ENDURANCE
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Serial number 86625190
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Registration number 5161745
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Filing date May 11, 2015
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M&G DURAVENT, INC.
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6 - Common metals and their alloys
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86570378 - FUSION VENT
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Serial number 86570378
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Filing date Mar 19, 2015
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M&G DURAVENT, 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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86174383 - DIY
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Serial number 86174383
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Filing date Jan 24, 2014
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M&G DURAVENT, INC.
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6 - Common metals and their alloys
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85841174 - DURASTACK
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Serial number 85841174
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Registration number 4507451
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Filing date Feb 5, 2013
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M&G DURAVENT, INC.
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6 - Common metals and their alloys
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77723770 - POLYPRO
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Serial number 77723770
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Registration number 3998655
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Filing date Apr 28, 2009
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Simpson Dura Vent Company, Inc.
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17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
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77025245 - GREENVENT
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Serial number 77025245
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Registration number 3962005
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Filing date Oct 19, 2006
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Simpson Dura Vent Company, Inc.
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6 - Common metals and their alloys