Alan Dewayne Walker SR.

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cough containment apparatus
- Patent number 9,700,490
- Issue date Jul 11, 2017
- Alan Dewayne Walker
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Cough containment apparatus
- Publication number 20160287483
- Publication date Oct 6, 2016
- Alan Dewayne Walker
- A41 - WEARING APPAREL