Harold J. Groves

Person

  • Granite City, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary shredding apparatus

    • Patent number 4,721,257
    • Issue date Jan 26, 1988
    • Williams Patent Crusher and Pulverizer Company
    • Robert M. Williams
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...