Ewing Johnson

Follow

Person

Monongah, WV, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hold down bracket for fire valve
- Patent number 9,302,131
- Issue date Apr 5, 2016
- Ewing Johnson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Hold Down Bracket for Fire Valve
- Publication number 20150047859
- Publication date Feb 19, 2015
- Ewing Johnson
- A62 - LIFE-SAVING FIRE-FIGHTING