Oh; Chang H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oh; Chang H..The latest application filed is for "methods and systems for the production of hydrogen".
- Oh; Chang H. - Idaho Falls ID
- Oh; Chang H. - Kyeonggi KR
- Oh; Chang H. - Kyung Ki Do KR
- Oh; Chang H. - Seoul KR
| Patent | Date |
|---|---|
| Methods and systems for the production of hydrogen Grant 8,132,410 - Oh , et al. March 13, 2 | 2012-03-13 |
| Methods And Systems For The Production Of Hydrogen App 20110131991 - Oh; Chang H. ; et al. | 2011-06-09 |
| 1-.beta.-methyl-2-thiolic carbapenem derivatives Grant 5,463,046 - Cho , et al. October 31, 1 | 1995-10-31 |
| High flux reactor Grant 4,764,339 - Lake , et al. August 16, 1 | 1988-08-16 |
| Fry pan or similar article Grant D292,470 - Oh October 27, 1 | 1987-10-27 |
| Fry pan or similar article Grant D292,363 - Oh October 20, 1 | 1987-10-20 |
| Cooking utensil or similar article Grant D292,362 - Oh October 20, 1 | 1987-10-20 |
| Fry pan or similar article Grant D292,164 - Oh October 6, 1 | 1987-10-06 |
| Cookware having integrally formed natural stone bottoms and method of manufacturing the same Grant 4,538,590 - Oh September 3, 1 | 1985-09-03 |
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.
| 