loadpatents
Patent applications and USPTO patent grants for Chang; Hyuksoo.The latest application filed is for "wireless sound equipment".
Patent | Date |
---|---|
Wireless sound equipment Grant 10,321,229 - Seo , et al. | 2019-06-11 |
Mobile terminal Grant 10,216,312 - Park , et al. Feb | 2019-02-26 |
Portable keyboard and speaker assembly Grant 9,760,184 - Chang , et al. September 12, 2 | 2017-09-12 |
Wireless Sound Equipment App 20170111489 - SEO; Sangwoo ;   et al. | 2017-04-20 |
Wireless sound equipment Grant 9,571,928 - Seo , et al. February 14, 2 | 2017-02-14 |
Mobile Terminal App 20160098138 - PARK; Sanggil ;   et al. | 2016-04-07 |
Portable Keyboard And Speaker Assembly App 20160098097 - CHANG; Hyuksoo ;   et al. | 2016-04-07 |
Wireless Sound Equipment App 20150264474 - SEO; Sangwoo ;   et al. | 2015-09-17 |
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.