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Connector structure
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James Rittenhouse
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Doggyman H.A. Co., Ltd.
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Yuta Sakai
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Safety device
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Patent number 8,387,218
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Issue date Mar 5, 2013
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Philipp Strasser
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hook fastener with spring closure
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Patent number 8,365,365
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Issue date Feb 5, 2013
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Robert Wesley Schlipper
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Snap hook
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Patent number 7,526,843
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Issue date May 5, 2009
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Kuan-Yu Lin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lockable coupling hook
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Patent number 7,472,461
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Edward David Anstee
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A63 - SPORTS GAMES AMUSEMENTS
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Double locking snap hook
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D B Industries, Inc.
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Bradley A. Rohlf
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Safety fastener
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Issue date Jul 4, 1978
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Ennio Cagnato
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A44 - HABERDASHERY JEWELLERY
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3911671
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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B66 - HOISTING LIFTING HAULING
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3365759
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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3359607
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3212153
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Patent number 3,212,153
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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3186055
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B66 - HOISTING LIFTING HAULING
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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F42 - AMMUNITION BLASTING
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B60 - VEHICLES IN GENERAL
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2603520
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING