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Cranking mechanism
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Patent number 10,421,637
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Issue date Sep 24, 2019
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Dorge O. Huang
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B08 - CLEANING
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String serving jig
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Patent number 10,099,889
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Issue date Oct 16, 2018
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Dorge O. Huang
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Swing blade broadhead
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Patent number 9,803,963
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Issue date Oct 31, 2017
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Dorge O. Huang
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F42 - AMMUNITION BLASTING
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Expanding broadhead
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Patent number 9,303,962
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Issue date Apr 5, 2016
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James R. Burnworth
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F42 - AMMUNITION BLASTING
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Nock bushing
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Patent number 9,212,875
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Issue date Dec 15, 2015
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Dorge O. Huang
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F42 - AMMUNITION BLASTING
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