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Safety device for catalytic converter
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Patent number 10,247,413
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Issue date Apr 2, 2019
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Biomass Controls, LLC
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Jeffrey R. Hallowell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Safety device for catalytic converter
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Patent number 10,001,276
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Issue date Jun 19, 2018
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Biomass Controls, LLC
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Jeffrey R. Hallowell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Safety device for catalytic converter
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Patent number 9,709,267
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Issue date Jul 18, 2017
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Biomass Controls, LLC
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Jeffrey R. Hallowell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1648626
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Patent number 1,648,626
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Issue date Nov 8, 1927
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1535235
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Patent number 1,535,235
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Issue date Apr 28, 1925
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F22 - STEAM GENERATION
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1457753
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Patent number 1,457,753
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Issue date Jun 5, 1923
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F22 - STEAM GENERATION
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1005760
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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920743
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Issue date May 4, 1909
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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885662
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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823907
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Patent number 823,907
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Issue date Jun 19, 1906
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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759043
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Issue date Jun 11, 1889
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...