TREA

Northup; Mary E.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for making glass bottles
    • Patent number 4,507,136
    • Issue date Mar 26, 1985
    • Northup, Jr.; John D.
    • John D. Northup
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Method of forming glass bottles
    • Patent number 4,276,073
    • Issue date Jun 30, 1981
    • Northup; Ruth B.
    • John D. Northup
    • C03 - GLASS MINERAL OR SLAG WOOL