Wai Kin CHAU

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Freehold, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary unit for selectively adding additives to water in a conventi...
- Patent number 10,334,992
- Issue date Jul 2, 2019
- Wai Kin Chau
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Cigarette lighter for safely moving through dangerous areas and met...
- Patent number 10,302,303
- Issue date May 28, 2019
- Wai Kin Chau
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

Information Patent Application
ROTARY UNIT FOR SELECTIVELY ADDING ADDITIVES TO WATER IN A CONVENTI...
- Publication number 20190075976
- Publication date Mar 14, 2019
- Wai Kin Chau
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CIGARETTE LIGHTER FOR SAFELY MOVING THROUGH DANGEROUS AREAS AND MET...
- Publication number 20180252408
- Publication date Sep 6, 2018
- Wai Kin CHAU
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES