using electromotive driving means

Patents Grantslast 30 patents

  • Information Patent Grant

    Remote control train warning apparatus

    • Patent number 5,682,150
    • Issue date Oct 28, 1997
    • Robert Bob Votava
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2286022

    • Patent number 2,286,022
    • Issue date Jun 9, 1942
    • B61 - RAILWAYS
  • Information Patent Grant

    2008518

    • Patent number 2,008,518
    • Issue date Jul 16, 1935
    • B61 - RAILWAYS

Patents Applicationslast 30 patents