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  • CPC
  • E01B23/16
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Parent Industries

EFIXED CONSTRUCTIONS E01Road, railway construction E01BPERMANENT WAY PERMANENT-WAY TOOLS MACHINES FOR MAKING RAILWAYS OF ALL KINDS E01B23/00Easily dismountable or movable tracks

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E01B23/16Switches
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Patents Grantslast 30 patents

  • Information Patent Grant

    1789647
    • Patent number 1,789,647
    • Issue date Jan 20, 1931
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents