Donald K. Greenberg

Person

  • Rockford, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic separating apparatus

    • Patent number 4,025,433
    • Issue date May 24, 1977
    • Barnes Drill Co.
    • Donald K. Greenberg
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL