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Outlet box knockout
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Patent number 7,575,122
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Issue date Aug 18, 2009
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Conduit support
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Patent number 7,556,225
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Issue date Jul 7, 2009
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The Lamson & Sessions Co.
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Charles H. Riedy
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Electrical box support
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Patent number 7,432,440
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Issue date Oct 7, 2008
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Fitting for ENT tubing
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Patent number 7,387,288
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Issue date Jun 17, 2008
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The Lamson & Sessions Co.
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Eric G. Hull
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Electrical box support
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Patent number 7,381,891
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Issue date Jun 3, 2008
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Outlet box knockout
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Patent number 7,353,961
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Issue date Apr 8, 2008
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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-
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Mud box and adapters
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Patent number 7,186,913
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Issue date Mar 6, 2007
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Mud box and adapters
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Patent number 7,186,915
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Issue date Mar 6, 2007
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Conduit support
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Patent number 7,152,831
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Issue date Dec 26, 2006
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The Lamson & Sessions Co.
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Charles H. Riedy
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Mud box and adapters
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Patent number 7,145,075
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Issue date Dec 5, 2006
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Low Voltage electrical assembly
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Patent number D533139
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Issue date Dec 5, 2006
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The Lamson & Sessions Co.
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Mark A. Roesch
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D13 - Equipment for production, distribution, or transformation of energy
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Electrical bracket
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Patent number 7,112,743
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Issue date Sep 26, 2006
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Low voltage electrical assembly
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Patent number D523818
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Issue date Jun 27, 2006
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The Lamson & Sessions Co.
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Mark A. Roesch
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D13 - Equipment for production, distribution, or transformation of energy
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Mud box and adapters
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Patent number 7,057,106
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Issue date Jun 6, 2006
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Mud box and adapters
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Patent number 7,053,297
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Issue date May 30, 2006
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electrical outlet box
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Patent number D519930
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Issue date May 2, 2006
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The Lamson & Sessions Co.
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Eric G. Hull
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D13 - Equipment for production, distribution, or transformation of energy
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Electrical outlet box
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Patent number D513495
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Issue date Jan 10, 2006
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The Lamson & Sessions Co.
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Eric G. Hull
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D13 - Equipment for production, distribution, or transformation of energy
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Electrical mud box
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Patent number D507539
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Issue date Jul 19, 2005
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The Lamson & Sessions Co.
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Eric G. Hull
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D13 - Equipment for production, distribution, or transformation of energy
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Electrical box with adapters
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Patent number D506183
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Issue date Jun 14, 2005
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The Lamson & Sessions Co.
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Eric G. Hull
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D13 - Equipment for production, distribution, or transformation of energy
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Electrical bracket
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Patent number 6,870,101
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Issue date Mar 22, 2005
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electrical bracket
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Patent number 6,812,405
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Issue date Nov 2, 2004
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Floor box cover assembly
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Patent number 6,179,634
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Issue date Jan 30, 2001
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The Lamson & Sessions Co.
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Eric G. Hull
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER