George E. Hamerstrand

Person

  • Peoria, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Interpolymer paper strength additives

    • Patent number 4,152,199
    • Issue date May 1, 1979
    • The United States of America, as represented by the Secretary of Agriculture
    • George E. Hamerstrand
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE