Michael E. Hargrave

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Union Grove Lake, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
High pressure tight shutoff valve seal
- Patent number 3,960,364
- Issue date Jun 1, 1976
- Fisher Controls Company
- Michael E. Hargrave
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...