Jack Wisnia

Person

  • Montreal, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Grinding mill construction

    • Patent number 4,538,769
    • Issue date Sep 3, 1985
    • Dominion Engineering Works Limited
    • Jack Wisnia
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...