Ping Guo

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Brampton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Cold-formed steel above ground tornado shelter
- Patent number 9,938,710
- Issue date Apr 10, 2018
- Ping Guo
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
COLD-FORMED STEEL ABOVE GROUND TORNADO SHELTER
- Publication number 20150275502
- Publication date Oct 1, 2015
- Ping Guo
- E04 - BUILDING
Information Patent Application
COLD-FORMED STEEL ABOVE GROUND TORNADO SHELTER
- Publication number 20150252579
- Publication date Sep 10, 2015
- Ping Guo
- E04 - BUILDING