Leung; Chan Siu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leung; Chan Siu.The latest application filed is for "two-stage, flat clinching stapler".
- Leung; Chan Siu - Kowloon HK
- LEUNG; CHAN SIU - Ho Man Tin HK
- Leung; Chan Siu - Hong Kong HK
| Patent | Date |
|---|---|
| Low-effort, two-stage stapler Grant 8,079,505 - Leung December 20, 2 | 2011-12-20 |
| Clipboard Grant D636,818 - Leung April 26, 2 | 2011-04-26 |
| Clipboard with calculator Grant D636,440 - Leung April 19, 2 | 2011-04-19 |
| Two-stage, Flat Clinching Stapler App 20110062210 - LEUNG; CHAN SIU | 2011-03-17 |
| Low-effort Paper Punch App 20100175523 - LEUNG; CHAN SIU | 2010-07-15 |
| Stapler Grant D617,164 - Leung June 8, 2 | 2010-06-08 |
| Stapler Grant D617,165 - Leung June 8, 2 | 2010-06-08 |
| Two-hole paper punch Grant D615,593 - Leung May 11, 2 | 2010-05-11 |
| Low-effort, two-stage stapler App 20100059568 - Leung; Chan Siu | 2010-03-11 |
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