Cheung Kwai Kong

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Gilroy, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Helmets and helmet fit systems
- Patent number 9,622,535
- Issue date Apr 18, 2017
- David Christian Windham
- A42 - HEADWEAR

Patents Applicationslast 30 patents

Information Patent Application
HELMETS AND HELMET FIT SYSTEMS
- Publication number 20160051000
- Publication date Feb 25, 2016
- Sport Impact Research Inc.
- David Christian Windham
- A42 - HEADWEAR