TREA

Walter P. Constantin

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  • Rayne, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grader
    • Patent number 5,330,287
    • Issue date Jul 19, 1994
    • Walter P. Constantin
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Road maintainer
    • Patent number 5,071,284
    • Issue date Dec 10, 1991
    • Walter P. Constantin
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES