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1944-06-05 |
1952-02-05 |
Volkmann John |
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1948-11-27 |
1952-12-16 |
Rca Corp |
Earcap for earphones
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1987-10-16 |
1989-10-17 |
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1995-04-06 |
1999-02-23 |
Minnesota Mining & Manufacturing Co. |
Headset for an intercom
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1996-01-16 |
1997-08-05 |
Sony Corporation |
Headphone
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1997-08-29 |
1999-06-01 |
Sony Corporation |
Headphone
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2000-09-01 |
2002-03-15 |
Sony Corp |
パイプマイクロホン装置
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2000-09-20 |
2001-10-09 |
Labtec Corporation |
Microphone
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2000-09-29 |
2001-10-09 |
Labtec Corporation |
Headphones
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2001-04-10 |
2001-12-11 |
Logitech Europe S.A. |
Headset
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2001-07-18 |
2002-10-01 |
Motorola, Inc. |
Communication device
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2003-02-11 |
2003-12-30 |
Sony Corporation |
Headphone
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2003-09-30 |
2005-06-14 |
Gn Resound A/S |
Hearing aid and hearing aid earpiece
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2003-09-03 |
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2003-09-17 |
2006-05-09 |
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2003-09-23 |
2005-05-24 |
Plantronics, Inc. |
Microphone boom for a communications headset
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2003-12-17 |
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Jabra Corporation |
Communications earpiece
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2004-01-13 |
2005-04-26 |
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Microphone boom for a communications headset
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2004-06-04 |
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2004-08-30 |
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Sony Corporation |
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2005-01-04 |
2006-01-31 |
Plantronics, Inc. |
Communications headset
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2005-03-14 |
2006-10-17 |
Gn Netcom A/S |
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2005-05-12 |
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2005-12-09 |
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2005-12-19 |
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Microphone boom for a communications headset
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2006-01-10 |
2007-08-28 |
Sony Corporation |
Headphone
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2006-01-17 |
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2006-03-07 |
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Communications headset
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Microphone boom for a communications headset
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2007-03-13 |
2008-04-22 |
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2007-09-11 |
2009-03-10 |
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2008-02-20 |
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Hearing protection cap
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2008-04-11 |
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2008-10-27 |
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MP3 player
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2008-12-01 |
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2008-12-22 |
2010-09-28 |
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2009-01-14 |
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ヘッドホン及びイヤマフ
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2009-07-15 |
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2010-04-22 |
2011-04-12 |
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Headphone
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2010-08-10 |
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Passive personal vocal monitor
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2010-08-10 |
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Bose Corporation |
Headset
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2011-01-31 |
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Headset
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2011-09-21 |
2012-06-19 |
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Headset
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2011-10-07 |
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Telecommunications headset
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2012-01-09 |
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Gaming headset
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Gaming headset
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Microphone boom for a communications headset
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Communication headset carrier
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Communication headset assembly
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Headphones
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2014-06-30 |
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耳机
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Microphone accessory
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Headset for communication
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Donald Pierce Bearden |
Acoustic resonator for audio headphones
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2017-08-15 |
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Side portion of earphone
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2016-02-23 |
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Earphone
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Gaming headset
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Xiaohuang Yan |
Wireless earphone
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2018-01-29 |
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Gaming headset
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2020-05-26 |
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Communications headset
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2019-01-25 |
2020-06-02 |
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Child headphones
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2019-09-11 |
2019-12-17 |
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Headphones
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