George J. Birds Jr.

Person

  • Lebec, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Ore concentrator

    • Patent number 4,363,726
    • Issue date Dec 14, 1982
    • George J. Birds
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...