TREA

Sonneville International Corporation

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Organization

  • Washington, DC, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Assembly of reinforcing bars and clip
    • Patent number 4,991,372
    • Issue date Feb 12, 1991
    • Sonneville International Corporation
    • Roger P. Sonneville
    • E04 - BUILDING
  • Information Patent Grant

    Elastic rail pad
    • Patent number 4,773,591
    • Issue date Sep 27, 1988
    • Sonneville International Corporation
    • Roger P. Sonneville
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Structure for fixing a rail to a tie
    • Patent number 4,566,629
    • Issue date Jan 28, 1986
    • Sonneville International Corporation
    • Roger P. Sonneville
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Device for affixing a rail to a concrete support
    • Patent number 4,494,695
    • Issue date Jan 22, 1985
    • Sonneville International Corporation
    • Roger P. Sonneville
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING