TREA

Daniel J. Durda

Follow

Person

  • Spring Park, MN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for mixing a gas and a liquid
    • Patent number 4,308,221
    • Issue date Dec 29, 1981
    • Aeration Industries, Inc.
    • Daniel J. Durda
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method for treating water
    • Patent number 4,280,911
    • Issue date Jul 28, 1981
    • Aeration Industries
    • Daniel J. Durda
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE