John L. Brewer

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Clovis, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiply configurable backflow preventer
- Patent number 4,991,622
- Issue date Feb 12, 1991
- CMB Industries
- John L. Brewer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...