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Method of Installing Sealed Circular Ductwork
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Publication number 20190154294
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Publication date May 23, 2019
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DUCTMATE INDUSTRIES, INC.
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Douglas G. Gudenburr
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Method of Installing Sealed Circular Ductwork
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Publication number 20130240077
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Publication date Sep 19, 2013
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DUCTMATE INDUSTRIES, INC.
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Douglas G. Gudenburr
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Self Locking Sheet Metal Duct with a Sealant
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Publication number 20080142107
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Publication date Jun 19, 2008
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DUCTMATE INDUSTRIES, INC.
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Douglas G. Gudenburr
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Threaded attachment
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Publication number 20050225086
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Publication date Oct 13, 2005
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Timothy Landvik
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Connector assembly
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Publication number 20050054238
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Publication date Mar 10, 2005
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PALL CORPORATION
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Vlado Ivan Matkovich
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Sealing gasket for a clamp
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Publication number 20040178632
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Publication date Sep 16, 2004
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Donaldson Company, Inc.
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Michael J. Protas
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Connection system
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Publication number 20030030272
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Publication date Feb 13, 2003
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Theodore D. Johnson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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