Dennis H. Wenker

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Afton, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Force balanced hydraulic spool valve
- Patent number 4,941,508
- Issue date Jul 17, 1990
- Dana Corporation
- David R. Hennessy
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...