Michael; Keith
Patent Applications and Registrations
Patent applications and USPTO patent grants for Michael; Keith.The latest application filed is for "mobile nitrogen generation device".
- Michael; Keith - West Chester PA
- Michael; Keith - Spring TX
Trademarks
| Patent | Date |
|---|---|
| Mobile Nitrogen Generation Device App 20100071561 - Marwitz; Herman Theodore ; et al. | 2010-03-25 |
| Mobile nitrogen generation device Grant 7,588,612 - Marwitz , et al. September 15, 2 | 2009-09-15 |
| Mobile nitrogen generation device App 20070151454 - Marwitz; Herman Theodore ; et al. | 2007-07-05 |
| Method and system for producing inert gas from combustion by-products App 20060278359 - Wheaton; Terry ; et al. | 2006-12-14 |
| Method and system for producing inert gas from combustion by-products App 20060230935 - Michael; Keith ; et al. | 2006-10-19 |
| Method and system for producing inert gas from combustion by-products App 20060000357 - Michael; Keith | 2006-01-05 |
| Non-cryogenic nitrogen for on-site downhole drilling and post drilling operations Grant 5,749,422 - Michael May 12, 1 | 1998-05-12 |
| Non-cryogenic production of nitrogen for on-site injection in downhole drilling Grant 5,388,650 - Michael February 14, 1 | 1995-02-14 |
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.
| 