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Tube fitting and assembly method
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Patent number 5,832,588
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Issue date Nov 10, 1998
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Universal Enterprises
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Ralph G. Ridenour
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tube fitting
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Patent number 5,707,087
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Issue date Jan 13, 1998
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Universal Enterprises, Inc.
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Ralph G. Ridenour
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tube fitting
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Patent number 5,597,186
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Issue date Jan 28, 1997
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Universal Enterprises, Inc.
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Ralph G. Ridenour
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tube fitting assembly method
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Patent number 5,544,406
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Issue date Aug 13, 1996
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Universal Enterprises, Inc.
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Ralph G. Ridenour
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Conduit attachment
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Patent number 5,341,566
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Issue date Aug 30, 1994
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Eaton Corporation
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Algird R. Quitschau
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Metal pipe coupling
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Patent number 5,297,827
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Issue date Mar 29, 1994
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Jeong-Yoon Choi
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method of connecting two pipes
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Patent number 5,293,679
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Issue date Mar 15, 1994
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Tzu S. Hsu
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Wellhead structure
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Patent number 4,869,319
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Issue date Sep 26, 1989
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Cameron Iron Works USA, Inc.
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Edward J. Szymozak
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E21 - EARTH DRILLING MINING
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Tube coupling
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Patent number 4,844,517
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Issue date Jul 4, 1989
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Sierracin Corporation
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Mark J. Beiley
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tubing fitting
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Patent number 4,669,761
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Issue date Jun 2, 1987
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Marshall Brass Company
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Robert G. Huling
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tube-to-tube joint method
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Patent number 4,442,586
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Issue date Apr 17, 1984
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Ralph G. Ridenour
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Tube-to-plate connection
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Patent number 4,334,703
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Issue date Jun 15, 1982
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Arvin Industries, Inc.
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James C. Arthur
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Tube-to-tube connection
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Patent number 4,333,672
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Issue date Jun 8, 1982
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Arvin Industries, Inc.
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James C. Arthur
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Tube-to-tube joint
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Patent number 4,269,438
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Issue date May 26, 1981
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Ralph G. Ridenour
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Tube fitting assembly
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Patent number 4,200,314
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Issue date Apr 29, 1980
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Ralph G. Ridenour
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...