by connection of the "slide-shoe" type

Patents Grantslast 30 patents

  • Information Patent Grant

    Energy absorbing post having sliding rail assembly

    • Patent number 11,021,843
    • Issue date Jun 1, 2021
    • KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY
    • Jung-Gon Sung
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Slip base structure with clip device

    • Patent number 7,955,023
    • Issue date Jun 7, 2011
    • Korea Institute of Construction Technology
    • Jung Gon Sung
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Disconnectable base support assembly for roadway signs

    • Patent number 5,215,400
    • Issue date Jun 1, 1993
    • Denis P. Hugron
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Pole support assembly

    • Patent number 4,154,037
    • Issue date May 15, 1979
    • Frohman C. Anderson
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3451319

    • Patent number 3,451,319
    • Issue date Jun 24, 1969
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents