Stephen Chan

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Burnaby, British Columbia, CA

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Patents Grantslast 30 patents

Information Patent Grant
Portable air-cooling system
- Patent number 6,119,477
- Issue date Sep 19, 2000
- Stephen Chan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Racquet string aligner
- Patent number 5,310,181
- Issue date May 10, 1994
- Stephen Chan
- A63 - SPORTS GAMES AMUSEMENTS