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David A. Smith

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  • York, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Building panel coatings
    • Patent number 11,999,870
    • Issue date Jun 4, 2024
    • AWI Licensing LLC
    • David A. Smith
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Floor covering adhesive
    • Patent number 7,169,840
    • Issue date Jan 30, 2007
    • Ardex GmbH
    • Jochem Billecke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Photopolymerizable, coatable organosol and method
    • Patent number 6,083,660
    • Issue date Jul 4, 2000
    • Armstrong World Industries, Inc.
    • Wendell A. Ehrhart
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photopolymerizable, coatable plastisol
    • Patent number 6,060,214
    • Issue date May 9, 2000
    • Armstrong World Industries, Inc.
    • Wendell A. Ehrhart
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Conductive polyurethane-urea/polyethylene oxide polymer
    • Patent number 5,198,521
    • Issue date Mar 30, 1993
    • Armstrong World Industries, Inc.
    • Wendell A. Ehrhart
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Conductive polyurethane-urea/polyethylene oxide
    • Patent number 5,077,330
    • Issue date Dec 31, 1991
    • Armstrong World Industries, Inc.
    • Wendell A. Ehrhart
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    UV curable no-wax coating
    • Patent number 5,003,026
    • Issue date Mar 26, 1991
    • Armstrong World Industries, Inc.
    • Wendell A. Ehrhart
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Non-crystallizing acrylated polyesters based on isophthalic acid
    • Patent number 4,304,879
    • Issue date Dec 8, 1981
    • Armstrong World Industries, Inc.
    • Wendell A. Ehrhart
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    BUILDING PANEL COATINGS
    • Publication number 20220177710
    • Publication date Jun 9, 2022
    • ARMSTRONG WORLD INDUSTRIES, INC.
    • David A. SMITH
    • E04 - BUILDING
  • Information Patent Application

    Floor covering adhesive
    • Publication number 20030134909
    • Publication date Jul 17, 2003
    • ARDEX GMBH
    • Jochen Billecke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...