Chung C. Chen

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Springfield, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Convertible bed
- Patent number 4,862,530
- Issue date Sep 5, 1989
- Chung C. Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Competitive game device
- Patent number 4,783,082
- Issue date Nov 8, 1988
- Chen; Chun Nan (Ignatius)
- Chung C. Chen
- A63 - SPORTS GAMES AMUSEMENTS