Chadwick; Donald T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chadwick; Donald T..The latest application filed is for "lumbar support".
- Chadwick; Donald T. - Los Angeles CA US
- Chadwick; Donald T. - Nepean CA
- Chadwick; Donald T. - Ottawa CA
| Patent | Date |
|---|---|
| Office chair Grant 8,480,171 - Chadwick , et al. July 9, 2 | 2013-07-09 |
| Lumbar support Grant 7,887,131 - Chadwick , et al. February 15, 2 | 2011-02-15 |
| Lumbar Support App 20100141000 - Chadwick; Donald T. ; et al. | 2010-06-10 |
| Chair Grant D607,661 - Chadwick January 12, 2 | 2010-01-12 |
| Chair Grant D606,771 - Chadwick December 29, 2 | 2009-12-29 |
| Office chair App 20060006715 - Chadwick; Donald T. ; et al. | 2006-01-12 |
| Chair Grant D475,544 - Chadwick , et al. June 10, 2 | 2003-06-10 |
| Chair Grant D471,024 - Chadwick , et al. March 4, 2 | 2003-03-04 |
| Tilt stand for desktop terminal Grant 6,019,338 - Brown , et al. February 1, 2 | 2000-02-01 |
| Side chair Grant D346,282 - Wilcox , et al. April 26, 1 | 1994-04-26 |
| Chair spine Grant D344,649 - Wilcox , et al. March 1, 1 | 1994-03-01 |
| Chair Grant D318,577 - Chadwick , et al. July 30, 1 | 1991-07-30 |
| Chair seat-and-back support Grant 4,889,385 - Chadwick , et al. December 26, 1 | 1989-12-26 |
| Chair Grant D299,192 - Chadwick , et al. January 3, 1 | 1989-01-03 |
| Stool or similar article Grant D296,623 - Chadwick , et al. July 12, 1 | 1988-07-12 |
| Chair Grant D296,394 - Chadwick , et al. June 28, 1 | 1988-06-28 |
| Chair Grant D295,347 - Chadwick , et al. April 26, 1 | 1988-04-26 |
| Reclining chair Grant 4,718,716 - Stumpf , et al. January 12, 1 | 1988-01-12 |
| Chair shell Grant D289,120 - Chadwick , et al. April 7, 1 | 1987-04-07 |
| Input/output device arrangements for terminals Grant 4,533,791 - Read , et al. August 6, 1 | 1985-08-06 |
| One-piece shell chair Grant 4,529,247 - Stumpf , et al. July 16, 1 | 1985-07-16 |
| Housing for telephone set Grant D253,703 - Hillmer , et al. December 18, 1 | 1979-12-18 |
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