BRYAN O. WASHINGTON

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CHICAGO, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Electric vault cover
- Patent number 9,932,766
- Issue date Apr 3, 2018
- Michael A. Ellis
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Reverse flow back pressure pump
- Patent number 8,104,496
- Issue date Jan 31, 2012
- Bryan Washington
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC VAULT COVER
- Publication number 20160374146
- Publication date Dec 22, 2016
- MICHAEL A. ELLIS
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES