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Ladder standoff
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Patent number 5,261,507
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Issue date Nov 16, 1993
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Houston Industries Incorporated
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Danny R. Williams
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Meter socket protector
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Patent number 5,244,399
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Issue date Sep 14, 1993
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Houston Industries Incorporated
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Danny R. Williams
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Insulator climbing support
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Patent number 5,069,310
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Issue date Dec 3, 1991
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Houston Industries Incorporated
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Danny R. Williams
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Gin for electrical equipment
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Patent number 5,056,673
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Issue date Oct 15, 1991
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Houston Industries Incorporated
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Danny R. Williams
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B66 - HOISTING LIFTING HAULING
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Cable tie back clamp
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Patent number 4,911,572
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Issue date Mar 27, 1990
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Houston Industries Incorporated
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Danny R. Williams
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H01 - BASIC ELECTRIC ELEMENTS
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Electrical elbow connection
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Patent number 4,867,687
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Issue date Sep 19, 1989
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Houston Industries Incorporated
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Danny R. Williams
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H01 - BASIC ELECTRIC ELEMENTS
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Self-latching power line clamp
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Patent number 4,846,725
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Issue date Jul 11, 1989
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Houston Industries Incorporated
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Danny R. Williams
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G01 - MEASURING TESTING
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Splicing tool for transmission lines
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Patent number 4,817,682
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Issue date Apr 4, 1989
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Houston Industries, Incorporated
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Danny R. Williams
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Power line working apparatus
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Patent number 4,661,662
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Issue date Apr 28, 1987
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Houston Industries, Incorporated
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Ronald J. Finke
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H01 - BASIC ELECTRIC ELEMENTS