TREA

Charles V. Blackwell

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  • Cuba, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail alignment tool
    • Patent number 6,651,353
    • Issue date Nov 25, 2003
    • The Burlington Northern and Santa Fe Railway Company
    • Donald G. Evans
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Rail alignment tool
    • Patent number 6,385,861
    • Issue date May 14, 2002
    • The Burlington Northern and Santa Fe Railway Company
    • Charles V. Blackwell
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES