Wai; Fuk Chai Alvin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wai; Fuk Chai Alvin.The latest application filed is for "frictional joint for toys".
- Wai; Fuk Chai Alvin - Kowloon HK
| Patent | Date |
|---|---|
| Frictional joint for toys Grant 7,566,256 - Wai July 28, 2 | 2009-07-28 |
| Frictional joint for toys App 20060228985 - Wai; Fuk Chai Alvin | 2006-10-12 |
| Frictional joint for toys Grant 7,021,989 - Wai April 4, 2 | 2006-04-04 |
| Frictional joint for toys App 20040198163 - Wai, Fuk Chai Alvin | 2004-10-07 |
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