Cheung; Shu Wan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheung; Shu Wan.The latest application filed is for "four-speed drive system for motor-driven appliances".
- Cheung; Shu Wan - Hong Kong N/A HK
- Cheung; Shu Wan - Quarry Bay HK
- CHEUNG; Shu Wan - GUANGDONG PROVINCE CN
| Patent | Date |
|---|---|
| Juicer Grant 8,939,070 - Cheung , et al. January 27, 2 | 2015-01-27 |
| Four-speed drive system for motor-driven appliances Grant 8,661,943 - Cheung , et al. March 4, 2 | 2014-03-04 |
| Two-speed drive system for motor-driven appliances Grant 8,506,437 - Cheung , et al. August 13, 2 | 2013-08-13 |
| Multiple drive system for food processor and mixer Grant 8,382,627 - Cheung , et al. February 26, 2 | 2013-02-26 |
| Four-Speed Drive System for Motor-Driven Appliances App 20120167712 - Cheung; Shu Wan ; et al. | 2012-07-05 |
| Multiple Drive System for Food Processor and Mixer App 20120129643 - Cheung; Shu Wan ; et al. | 2012-05-24 |
| Electrical Steamer App 20120103200 - CHEUNG; Shu Sang ; et al. | 2012-05-03 |
| Two-Speed Drive System for Motor-Driven Appliances App 20120071293 - Cheung; Shu Wan ; et al. | 2012-03-22 |
| Juicer App 20090272280 - Cheung; Shu Wan ; et al. | 2009-11-05 |
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