Coffield; Tim
Patent Applications and Registrations
Patent applications and USPTO patent grants for Coffield; Tim.The latest application filed is for "chair back construction".
- Coffield; Tim - Grand Rapids MI
| 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 |
| Chair seat Grant 6,652,030 - Conner , et al. November 25, 2 | 2003-11-25 |
| 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 |
| Chair seat Grant 6,523,900 - Conner , et al. February 25, 2 | 2003-02-25 |
| Chair seat App 20030025372 - Conner, John ; et al. | 2003-02-06 |
| 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 |
| Chair back construction App 20020190564 - Coffield, Tim ; 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 |
| Seat back with shaped internal ribs Grant 6,168,239 - Conner , et al. January 2, 2 | 2001-01-02 |
| Seat back with aperture identifiers Grant 6,042,187 - Conner , et al. March 28, 2 | 2000-03-28 |
| Seat back with corner indentations Grant 6,033,027 - Conner , et al. March 7, 2 | 2000-03-07 |
| Contoured plastic seat back Grant 5,951,110 - Conner , et al. September 14, 1 | 1999-09-14 |
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