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Stud and eyelet fastener
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Patent number 4,996,752
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Issue date Mar 5, 1991
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Charles D. Clendinen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Snap fastener
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Patent number 4,646,399
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Issue date Mar 3, 1987
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Burton, Parker & Schramm, P.C.
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Charles D. Clendinen
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A44 - HABERDASHERY JEWELLERY
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Stud and eyelet fastener
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Patent number 4,409,706
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Issue date Oct 18, 1983
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Charles D. Clendinen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...