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Pneumatic safety valve
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Patent number D1053989
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Issue date Dec 10, 2024
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DOUBLE E COMPANY, LLC
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Michael Van Deurse
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D23 - Environmental heating and cooling
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Shaft safety valve system
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Patent number 12,103,810
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Issue date Oct 1, 2024
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DOUBLE E COMPANY, LLC
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Michael Van Deurse
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Safety chuck
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Patent number 10,457,519
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Issue date Oct 29, 2019
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Double E Company, LLC
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Michael Van Deurse
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL