having at least two vertical tool-driving shafts

Patents Grantslast 30 patents

  • Information Patent Grant

    Mixing equipment and agitator therefor for use with granular materi...

    • Patent number 4,361,404
    • Issue date Nov 30, 1982
    • Pettibone Corporation
    • Richard E. Colin
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3768786

    • Patent number 3,768,786
    • Issue date Oct 30, 1973
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3744768

    • Patent number 3,744,768
    • Issue date Jul 10, 1973
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    2943801

    • Patent number 2,943,801
    • Issue date Jul 5, 1960
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents