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Cord tightening device
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Patent number 5,435,044
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Issue date Jul 25, 1995
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Yoshida Kogyo K. K.
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Kazuo Ida
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Buckle assembly
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Patent number 5,319,836
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Issue date Jun 14, 1994
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Yoshida Kogyo K. K.
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Kazuo Ida
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A44 - HABERDASHERY JEWELLERY
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Keylockable buckle
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Patent number 5,117,663
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Issue date Jun 2, 1992
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Yoshida Kogyo K. K.
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Kazuo Ida
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A44 - HABERDASHERY JEWELLERY
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Buckle assembly
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Patent number 4,977,650
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Issue date Dec 18, 1990
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Yoshida Kogyo K. K.
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Kazuo Ida
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A44 - HABERDASHERY JEWELLERY
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Separable slide fastener
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Patent number 4,870,724
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Issue date Oct 3, 1989
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Yoshida Kogyo K. K.
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Yoshinori Fujisaki
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A44 - HABERDASHERY JEWELLERY
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