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The ornamental design for a chair, as shown and described.
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| Patent | Priority | Assignee | Title |
| 9775759, | Jan 14 2014 | Acuity Ophthalmics, LLC | Chair for use with ophthalmic instruments |
| D602273, | Mar 03 2009 | Sedus Stoll Aktiengesellschaft | Chair |
| D611276, | Sep 25 2009 | Global Allies, LLC | Task chair |
| D611738, | Nov 02 2009 | Global Allies, LLC | Task chair |
| D611739, | Nov 05 2009 | Global Allies, LLC | Task chair |
| D612175, | Nov 02 2009 | Global Allies, LLC | Task chair |
| D637829, | May 20 2008 | Vitra AG | Chair |
| D657151, | Apr 21 2006 | ARPER S.p.A. | Seat |
| D662331, | Apr 26 2010 | SHASHI LLC | Office chair |
| D666841, | Apr 26 2010 | Haworth Inc. | Office chair |
| D667231, | Mar 25 2010 | Vitra AG | Chair |
| D680344, | Jul 29 2011 | ARPER S.p.A. | Armchair |
| D683979, | Sep 08 2011 | ITOKI CORPORATION | Chair |
| D694542, | Oct 08 2012 | Vitra AG | Chair and backrest for a chair |
| D794347, | Sep 25 2015 | ANDREU WORLD, S A | Seat |
| D820018, | Oct 24 2016 | WE DO SPACES S R L | Chair seat |
| D845691, | Jan 16 2018 | KUSCH+CO GMBH | Seat with lower cut-out |
| D880921, | Jan 16 2018 | KUSCH+CO GMBH | Cover component for seat |
| D880922, | Jan 16 2018 | KUSCH+CO GMBH | Cover component for seat |
| D880923, | Jan 16 2018 | KUSCH+CO GMBH | Cover component for seat |
| D882318, | Jan 16 2018 | KUSCH+CO GMBH | Cover component for seat |
| D919994, | Apr 28 2019 | Office chair |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 09 2007 | Vitra Patente AG | (assignment on the face of the patent) | / | |||
| Sep 10 2007 | VAN SEVEREN, MAARTEN | Vitra Patente AG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 020070 | /0778 | |
| May 19 2021 | Vitra Patente AG | Vitra AG | MERGER AND CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 058892 | /0493 | |
| May 19 2021 | Vitra AG | Vitra AG | MERGER AND CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 058892 | /0493 |
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