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The ornamental design for a hearing aid, as shown and described.
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1. Hearing aid
| Patent | Priority | Assignee | Title |
| D870697, | Aug 01 2017 | Bluetooth headset |
| Patent | Priority | Assignee | Title |
| 8270646, | Jun 25 2005 | Sivantos GmbH | Hearing aid device with an on/off switch |
| 20100111315, | |||
| D516216, | Nov 21 2003 | Phonak AG | Hearing aid |
| D647204, | Oct 05 2009 | OTICON A S | Hearing aid |
| D653346, | Sep 10 2010 | SIVANTOS PTE LTD | Hearing instrument |
| D663846, | Nov 02 2009 | OTICON A S | Hearing aid |
| D663847, | Aug 30 2010 | Sonova AG | Hearing aid |
| D667121, | Feb 09 2011 | Panasonic Corporation | Hearing aid |
| D670814, | Nov 16 2011 | Algorkorea Co., Ltd. | Hearing aid |
| D674094, | Dec 09 2011 | Panasonic Corporation | Hearing aid |
| D676557, | Mar 31 2011 | GN RESOUND A S | Hearing aid |
| D676967, | Mar 31 2011 | GN RESOUND A S | Hearing aid |
| D676969, | Mar 31 2011 | GN RESOUND A S | Hearing aid |
| D677388, | Oct 05 2011 | GN ReSound A/S | Hearing aid |
| D679817, | Aug 24 2010 | OTICON A S | Hearing aid |
| D682429, | Apr 07 2011 | GN RESOUND A S | Hearing aid |
| D690820, | Apr 01 2003 | GN ReSound A/S | Hearing aid |
| D698024, | Dec 16 2011 | GN ReSound A/S | Hearing aid |
| D698025, | Dec 15 2011 | WIDEX A S | Hearing aid |
| D705936, | Mar 02 2012 | OTICON A S | Behind-the ear (BTE) hearing aid |
| D720460, | Dec 15 2011 | Widex A/S | Hearing aid |
| D722167, | Jan 25 2013 | Sonova AG | Hearing aid |
| D722168, | Oct 14 2013 | Sonova AG | Hearing aid |
| D723171, | Nov 25 2013 | Cochlear Limited | Hearing prosthesis sleeve |
| D734472, | Mar 12 2013 | GN RESOUND A S | Hearing aid |
| D734855, | Jul 02 2013 | GN RESOUND A S | Hearing aid |
| D735339, | Jul 02 2013 | GN RESOUND A S | Hearing aid |
| D735340, | Dec 30 2013 | GN RESOUND A S | Hearing aid |
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