Tung Yung International Limited
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tung Yung International Limited.The latest application filed is for "clipboard".
- Tung Yung International Limited - Kwun Tong Kowloon HK
- Tung Yung International Limited - Hong Kong HK
| Patent | Date |
|---|---|
| Clipboard Grant D636,818 - Leung April 26, 2 | 2011-04-26 |
| Stapler Grant D617,165 - Leung June 8, 2 | 2010-06-08 |
| Stapler Grant D617,164 - Leung June 8, 2 | 2010-06-08 |
| Two-hole paper punch Grant D615,593 - Leung May 11, 2 | 2010-05-11 |
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