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Heat exchanger tube plug
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Patent number 11,604,038
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Issue date Mar 14, 2023
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JNT Technical Services, Inc.
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Glenn F. Jorgensen
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F28 - HEAT EXCHANGE IN GENERAL
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Elastomeric condenser plug
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Patent number D727469
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Issue date Apr 21, 2015
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JNT Technical Services, Inc.
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Glenn F. Jorgensen
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D23 - Environmental heating and cooling
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Resistance heating system
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Patent number RE45026
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Issue date Jul 22, 2014
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Power House Tool, Inc.
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Glenn F. Jorgensen
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219 - Electric heating
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Bolt heater junction box
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Patent number D552558
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Issue date Oct 9, 2007
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JNT Technical Services, Inc.
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Michael W. Kelly
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D13 - Equipment for production, distribution, or transformation of energy
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Resistance heating system
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Patent number 7,141,766
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Issue date Nov 28, 2006
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JNT Technical Services, Inc.
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Glenn F. Jorgensen
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Twist off drive for a tube plug
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Patent number 6,981,524
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Issue date Jan 3, 2006
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JNT Technical Services, Inc.
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Glenn F. Jorgensen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Plug for heat exchanger tubes
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Patent number 6,883,547
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Issue date Apr 26, 2005
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JNT Technical Services, Inc.
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Glenn F. Jorgensen
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F28 - HEAT EXCHANGE IN GENERAL
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Motorized tap tool driving apparatus
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Patent number 5,529,442
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Issue date Jun 25, 1996
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Power House Tool, Inc.
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Glenn F. Jorgensen
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Chasing tap with replaceable chasers
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Patent number 5,480,272
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Issue date Jan 2, 1996
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Power House Tool, Inc.
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Glenn F. Jorgensen
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Adjustable die head
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Patent number 5,480,271
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Issue date Jan 2, 1996
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Power House Tool, Inc.
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Glenn F. Jorgensen
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rod gripping and rotating tool
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Patent number 5,402,694
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Issue date Apr 4, 1995
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Power House Tool, Inc.
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Michael W. Kelly
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Electric power distribution apparatus
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Patent number D356292
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Issue date Mar 14, 1995
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Power House Tool, Inc.
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Michael W. Kelly
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D13 - Equipment for production, distribution, or transformation of energy
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Rod rotating tool
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Patent number 5,372,055
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Issue date Dec 13, 1994
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Power House Tool Inc.
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Michael W. Kelly
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Plug for heat exchanger tubes
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Patent number 5,289,851
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Issue date Mar 1, 1994
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JNT Technical Services Inc.
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Glenn F. Jorgensen
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F28 - HEAT EXCHANGE IN GENERAL
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Rod rotating tool
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Patent number 5,253,556
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Issue date Oct 19, 1993
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Power House Tool Inc.
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Michael W. Kelly
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS