David R. Hartman

Person

  • Newark, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Ballistic materials

    • Patent number 5,215,813
    • Issue date Jun 1, 1993
    • Owens-Corning Fiberglas Corporation
    • David R. Hartman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fire-resistant panel system

    • Patent number 5,079,078
    • Issue date Jan 7, 1992
    • Owens-Corning Fiberglas Corp.
    • Ralph B. Jutte
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Process for forming flat plate ballistic resistant materials

    • Patent number 5,006,293
    • Issue date Apr 9, 1991
    • Owens-Corning Fiberglas Corporation
    • David R. Hartman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ballistic materials

    • Patent number 4,842,923
    • Issue date Jun 27, 1989
    • Owens-Corning Fiberglas Corporation
    • David R. Hartman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...