Donald J. Cier

Person

  • Salt Lake City, UT, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Box culvert without rib stiffeners

    • Patent number 5,118,218
    • Issue date Jun 2, 1992
    • Syro Steel Company
    • Samuel C. Musser
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES