John Josefik

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Berwyn, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
High pressure oxygen-saturated water-treatment
- Patent number 5,087,377
- Issue date Feb 11, 1992
- Microlift Systems Limited Partnership
- John Josefik
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
High pressure oxygen-saturated water treatment apparatus
- Patent number 4,956,080
- Issue date Sep 11, 1990
- Microlift Systems, Incorporated
- John Josefik
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE