Nhan S. Nguyen

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Newport News, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable spittoon
- Patent number 6,665,887
- Issue date Dec 23, 2003
- Nhan S. Nguyen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE SPITTOON
- Publication number 20030204901
- Publication date Nov 6, 2003
- Nhan S. Nguyen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Portable spittoon
- Publication number 20020020008
- Publication date Feb 21, 2002
- Nhan S. Nguyen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE