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Duct fastseam
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Patent number 8,459,307
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Issue date Jun 11, 2013
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Met-Coil System Corp.
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John J. Toben
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Duct fastseam
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Patent number 7,681,297
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Issue date Mar 23, 2010
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Met-Coil Systems Corporation
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John J. Toben
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F24 - HEATING RANGES VENTILATING
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Elbow rotator
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Patent number 7,328,510
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Issue date Feb 12, 2008
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Met-Coil Systems, LLC
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Jairo Munoz
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Pre-beading method and apparatus
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Patent number 7,159,428
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Issue date Jan 9, 2007
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Met-Coil Systems Corporation
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Leland M. Rieck
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Seam closing apparatus
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Patent number 6,981,398
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Issue date Jan 3, 2006
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Met-Coil Systems Corporation
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John J. Toben
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Positioner and cutting apparatus
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Patent number 6,813,982
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Issue date Nov 9, 2004
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Met-Coil Systems Corporation
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Ashok Shah
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Apparatus for applying glue
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Patent number 6,746,534
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Issue date Jun 8, 2004
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Met-Coil Systems Corporation
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Michael C. Borwig
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Duct joining system
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Patent number 5,069,484
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Issue date Dec 3, 1991
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Met-Coil Systems Corporation
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Howard J. McElroy
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F24 - HEATING RANGES VENTILATING