Czumaj-Bront; Nicolai
Patent Applications and Registrations
Patent applications and USPTO patent grants for Czumaj-Bront; Nicolai.The latest application filed is for "office chair".
- Czumaj-Bront; Nicolai - Grand Rapids MI
- Czumaj-Bront; Nicolai - Berlin DE
| Patent | Date |
|---|---|
| Table Grant D946,948 - Florez , et al. March 29, 2 | 2022-03-29 |
| Article of furniture Grant D923,957 - Florez , et al. July 6, 2 | 2021-07-06 |
| Article of furniture Grant D919,316 - Florez , et al. May 18, 2 | 2021-05-18 |
| Chair Grant D912,425 - Florez , et al. March 9, 2 | 2021-03-09 |
| Chair Grant D912,426 - Florez , et al. March 9, 2 | 2021-03-09 |
| Chair assembly with extended surface Grant 9,986,837 - Czumaj-Bront June 5, 2 | 2018-06-05 |
| Office chair Grant 9,913,539 - Potrykus , et al. March 13, 2 | 2018-03-13 |
| Portion of a back support for a chair Grant D793,787 - Welsh , et al. August 8, 2 | 2017-08-08 |
| Lumbar support for a chair Grant D784,749 - Welsh , et al. April 25, 2 | 2017-04-25 |
| Back support for a chair Grant D782,859 - Welsh , et al. April 4, 2 | 2017-04-04 |
| Back support for a chair Grant D782,241 - Welsh , et al. March 28, 2 | 2017-03-28 |
| Back support for a chair Grant D779,253 - Welsh , et al. February 21, 2 | 2017-02-21 |
| Portion of a back support for a chair Grant D779,250 - Welsh , et al. February 21, 2 | 2017-02-21 |
| Armrests for a chair Grant D779,248 - Welsh , et al. February 21, 2 | 2017-02-21 |
| Back support for a chair Grant D779,252 - Welsh , et al. February 21, 2 | 2017-02-21 |
| Armrests for a chair Grant D779,254 - Welsh , et al. February 21, 2 | 2017-02-21 |
| Headrest for a chair Grant D779,255 - Welsh , et al. February 21, 2 | 2017-02-21 |
| Office Chair App 20160029801 - Potrykus; Martin W. ; et al. | 2016-02-04 |
| Chair Assembly With Extended Surface App 20160022043 - Czumaj-Bront; Nicolai | 2016-01-28 |
| Chair with work surface Grant D724,877 - Czumaj-Bront March 24, 2 | 2015-03-24 |
| Chair with work surface Grant D718,542 - Czumaj-Bront December 2, 2 | 2014-12-02 |
| Office chair Grant D666,841 - Czumaj-Bront , et al. September 11, 2 | 2012-09-11 |
| Office chair Grant D662,331 - Czumaj-Bront , et al. June 26, 2 | 2012-06-26 |
| Office chair Grant D655,522 - Czumaj-Bront , et al. March 13, 2 | 2012-03-13 |
| Office chair Grant D643,640 - DeSanta , et al. August 23, 2 | 2011-08-23 |
| Office chair Grant D618,004 - DeSanta , et al. June 22, 2 | 2010-06-22 |
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