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Stepped leading edge fan blade
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Patent number 11,698,081
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Issue date Jul 11, 2023
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Go Fan Yourself, LLC
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Darrin Walter Niemiec
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Stepped leading edge fan blade
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Patent number 11,168,703
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Issue date Nov 9, 2021
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WLC Enterprises, Inc.
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Darrin Walter Niemiec
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Fan blade
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Patent number D930815
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Issue date Sep 14, 2021
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WLC Enterprises, Inc.
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Darrin Walter Niemiec
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D23 - Environmental heating and cooling
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Fan blade
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Patent number D874639
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Issue date Feb 4, 2020
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WLC Enterprises, Inc.
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Darrin Walter Niemiec
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D23 - Environmental heating and cooling
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Stepped leading edge fan blade
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Patent number 10,428,831
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Issue date Oct 1, 2019
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WLC Enterprises, Inc.
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Darrin Walter Niemiec
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Fan blade
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Patent number D853553
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Issue date Jul 9, 2019
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WLC Enterprises, Inc.
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Darrin Walter Niemiec
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D23 - Environmental heating and cooling
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Fan blade
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Patent number D852943
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Issue date Jul 2, 2019
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WLC Enterprises, Inc.
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Darrin Walter Niemiec
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D23 - Environmental heating and cooling
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Fan blade
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Patent number D852944
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Issue date Jul 2, 2019
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WLC Enterprises, Inc.
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Darrin Walter Niemiec
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D23 - Environmental heating and cooling
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