Ernest A. Duschen

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Geauga, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Gate valve for fluidized particular material
- Patent number 5,547,167
- Issue date Aug 20, 1996
- General Signal Corporation
- Robert J. Torok
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...