Tsang; Siu Kwong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsang; Siu Kwong.The latest application filed is for "presentation apparatus (iot)".
- Tsang; Siu Kwong - Hong Kong HK
| Patent | Date |
|---|---|
| Presentation Apparatus (iot) App 20200327782 - Wong; Siu Kee ; et al. | 2020-10-15 |
| Article presentation and checkout apparatus (ICS connection) Grant 10,701,535 - Wong , et al. | 2020-06-30 |
| Presentation apparatus (check-in and check-out) Grant 10,638,291 - Wong , et al. | 2020-04-28 |
| Acupuncture Devices App 20190175446 - Tsang; Siu Kwong | 2019-06-13 |
| Acupuncture devices Grant 10,219,978 - Tsang | 2019-03-05 |
| Acupuncture Devices App 20170189267 - Tsang; Siu Kwong | 2017-07-06 |
| Presentation Apparatus (check-in & Check-out) App 20160247220 - WONG; Siu Kee ; et al. | 2016-08-25 |
| Presentation Apparatus (ics Connection) App 20160239905 - WONG; Siu Kee ; et al. | 2016-08-18 |
| Presentation Apparatus (iot) App 20160217520 - WONG; Siu Kee ; et al. | 2016-07-28 |
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