loadpatents
Patent applications and USPTO patent grants for Park; Choul-Gue.The latest application filed is for "polishing apparatus".
Patent | Date |
---|---|
Apparatus and method for surface treatment of objects Grant 9,669,516 - Lee , et al. June 6, 2 | 2017-06-06 |
Polishing apparatus Grant 9,421,662 - Lee , et al. August 23, 2 | 2016-08-23 |
Polishing Apparatus App 20150087210 - LEE; Sung-choul ;   et al. | 2015-03-26 |
Apparatus and method for surface treatment of objects App 20140106650 - Lee; Sung-Choul ;   et al. | 2014-04-17 |
Semiconductor cleaning system and method of controlling the operation of the same App 20030120366 - Park, Choul-Gue ;   et al. | 2003-06-26 |
Etching Apparatus For Manufacturing Semiconductor Devices App 20010037856 - PARK, CHOUL-GUE | 2001-11-08 |
Polishing head of a chemical and mechanical polishing apparatus for polishing a wafer App 20010034199 - Park, Choul-Gue | 2001-10-25 |
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.