Walter J. Bowman

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Detroit, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Directional control valve with flow path through valve spool
- Patent number 4,267,862
- Issue date May 19, 1981
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...