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Charge dissipative surface coverings
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Patent number 5,091,452
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Issue date Feb 25, 1992
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Armstrong World Industries, Inc.
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Kenneth K. Ko
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Charge dissipative floor tiles
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Patent number 4,944,998
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Issue date Jul 31, 1990
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Armstrong World Industries, Inc.
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Kenneth K. Ko
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Electrically conductive carbon-coated fibers
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Patent number 4,895,620
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Issue date Jan 23, 1990
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Armstrong World Industries, Inc.
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Kenneth K. Ko
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Antistatic floor polish
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Patent number 4,872,910
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Issue date Oct 10, 1989
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Armstrong World Industries, Inc.
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James M. Eshleman
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Charge dissipative floor tiles
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Patent number 4,826,912
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Issue date May 2, 1989
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Armstrong World Industries, Inc.
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Kenneth K. Ko
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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High temperature paper-like materials
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Patent number 4,746,403
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Issue date May 24, 1988
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Armstrong World Industries, Inc.
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Kenneth K. Ko
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...