Andy Chen

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Saratoga, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
PPE with rotating assembly providing multiple face covers
- Patent number 11,065,480
- Issue date Jul 20, 2021
- Andy Chen
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
PPE WITH ROTATING ASSEMBLY PROVIDING MULTIPLE FACE COVERS
- Publication number 20210052922
- Publication date Feb 25, 2021
- GOLDEN GALAXY CORPORATION
- Andy Chen
- A62 - LIFE-SAVING FIRE-FIGHTING