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Fastener driving tool
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Patent number 5,098,004
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Issue date Mar 24, 1992
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Duo Fast Corporation
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James E. Kerrigan
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Fastener driving tool
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Patent number 5,069,379
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Issue date Dec 3, 1991
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Duo Fast Corporation
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James E. Kerrigan
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Hog ring fastener, tool and methods
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Patent number 5,035,040
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Issue date Jul 30, 1991
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Duo Fast Corporation
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James E. Kerrigan
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Fastener driving tool
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Patent number 4,928,868
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Issue date May 29, 1990
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Duo Fast Corporation
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James E. Kerrigan
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS