Ho-Keung Mann

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Item of swimming wear
- Patent number 5,452,477
- Issue date Sep 26, 1995
- Ho-Keung Mann
- A41 - WEARING APPAREL

Patents Applicationslast 30 patents

Information Patent Application
Differential ion generator
- Publication number 20080250928
- Publication date Oct 16, 2008
- Donald DeSalvo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE