Mark R. Corbin

Person

  • Sioux City, IA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for making concrete pipe

    • Patent number 5,229,024
    • Issue date Jul 20, 1993
    • International Pipe Machinery Corp.
    • Mark R. Corbin
    • B28 - WORKING CEMENT, CLAY, OR STONE