Nicholas; Chan Tung Sung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nicholas; Chan Tung Sung.The latest application filed is for "pole scrubber".
- Nicholas; Chan Tung Sung - Sai Wan Ho HK
| Patent | Date |
|---|---|
| Pole scrubber Grant 7,937,792 - Munn , et al. May 10, 2 | 2011-05-10 |
| Pole scrubber App 20080092311 - Munn; Jamie ; et al. | 2008-04-24 |
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