Cheung; Kwok Yau
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheung; Kwok Yau.The latest application filed is for "electric toothbrush module".
- Cheung; Kwok Yau - Hong Kong CN
- Cheung; Kwok Yau - New Territories CN
- Cheung; Kwok Yau - Yuen Long N/A HK
- Cheung; Kwok Yau - Pat Heung HK
| Patent | Date |
|---|---|
| Electric toothbrush module Grant 9,445,877 - Wong , et al. September 20, 2 | 2016-09-20 |
| Electric Toothbrush Module App 20160067025 - Wong; Tit Shing ; et al. | 2016-03-10 |
| Interactive apparatus Grant 9,092,021 - Wong , et al. July 28, 2 | 2015-07-28 |
| Interactive personal robotic apparatus Grant 9,079,113 - Wong , et al. July 14, 2 | 2015-07-14 |
| Interactive Personal Robotic Apparatus App 20130178982 - Wong; Tit Shing ; et al. | 2013-07-11 |
| Interactive Apparatus App 20130178981 - Wong; Tit Shing ; et al. | 2013-07-11 |
| Autonomous robotic life form Grant 8,483,873 - Wong , et al. July 9, 2 | 2013-07-09 |
| Autonomous Robotic Life Form App 20120022688 - Wong; Sui Kay ; et al. | 2012-01-26 |
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