Steffensen; Erik A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steffensen; Erik A..The latest application filed is for "chair back construction".
- Steffensen; Erik A. - Iowa City IA
| Patent | Date |
|---|---|
| Chair back construction Grant 7,066,537 - Coffield , et al. June 27, 2 | 2006-06-27 |
| Chair back construction Grant 7,014,269 - Coffield , et al. March 21, 2 | 2006-03-21 |
| Chair back construction App 20050121954 - Coffield, Tim ; et al. | 2005-06-09 |
| Chair back construction Grant 6,729,691 - Koepke , et al. May 4, 2 | 2004-05-04 |
| Ergonomic chair Grant 6,669,292 - Koepke , et al. December 30, 2 | 2003-12-30 |
| Armless ergonomic chair Grant D477,151 - Koepke , et al. July 15, 2 | 2003-07-15 |
| Ergonomic chair Grant D476,821 - Koepke , et al. July 8, 2 | 2003-07-08 |
| Lumbar support for a chair Grant 6,572,190 - Koepke , et al. June 3, 2 | 2003-06-03 |
| Chair of modular construction Grant 6,568,760 - Davis , et al. May 27, 2 | 2003-05-27 |
| Ergonomic chair App 20030001420 - Koepke, Marcus C. ; et al. | 2003-01-02 |
| Chair back construction App 20030001425 - Koepke, Marcus C. ; et al. | 2003-01-02 |
| Lumbar support for a chair App 20020190552 - Koepke, Marcus C. ; et al. | 2002-12-19 |
| Chair back construction App 20020190564 - Coffield, Tim ; et al. | 2002-12-19 |
| Chair of modular construction App 20020190563 - Davis, Keith L. ; et al. | 2002-12-19 |
| Chair back frame Grant D462,858 - Koepke , et al. September 17, 2 | 2002-09-17 |
| Chair Grant D462,187 - Koepke , et al. September 3, 2 | 2002-09-03 |
| Chair Grant D460,869 - Koepke , et al. July 30, 2 | 2002-07-30 |
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.
| 