Chan; Tak Ko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chan; Tak Ko.The latest application filed is for "stop announcement system and method therefor".
- Chan; Tak Ko - Hong Kong CN
| Patent | Date |
|---|---|
| Stop announcement system and method therefor Grant 11,364,942 - Chan , et al. June 21, 2 | 2022-06-21 |
| Stop Announcement System And Method Therefor App 20200207386 - CHAN; TAK KO ; et al. | 2020-07-02 |
| Method And System For Promotional Offers Exchange App 20160171489 - Chiu; Jason Felix Tsz-Kiu ; et al. | 2016-06-16 |
| Method And System For Implementing Transactions And Promotional Offers App 20150154634 - Chiu; Jason Felix Tsz-Kiu ; et al. | 2015-06-04 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 