Cheung; Yat Yiu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cheung; Yat Yiu.The latest application filed is for "hearing protection device and method".

Company Profile

1.2.5

Cheung; Yat Yiu - Kowloon HK
Cheung; Yat Yiu - Hong Kong HK

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Hearing Protection Device and Method App 20200037084 - Cheung; Yat Yiu	2020-01-30
Hearing aid apparatus Grant 9,288,589 - Cheung March 15, 2	2016-03-15
Hearing Aid Apparatus App 20140270290 - Cheung; Yat Yiu	2014-09-18
Hearing Aid Apparatus App 20110317858 - CHEUNG; Yat Yiu	2011-12-29
Hearing Kit App 20090296966 - Cheung; Yat Yiu	2009-12-03

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.