Eugene E. Pietras

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Liverpool, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Valve assembly and locking means therefor
- Patent number 4,971,289
- Issue date Nov 20, 1990
- Niagara Mohawk Power Corporation
- Eugene E. Pietras
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve assembly and locking means therefor
- Patent number 4,926,900
- Issue date May 22, 1990
- Niagara Mohawk Power Corporation
- Eugene E. Pietras
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...