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Bell Telephone Labor Inc |
Electrodynamic transducer and connector therefor
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1955-11-30 |
1962-09-25 |
Guss Reuben |
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1971-01-20 |
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G Bremseth |
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Altec Corporation |
Loudspeaker
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Licentia Gmbh |
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Renkus-Heinz, Inc. |
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1980-11-08 |
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Pioneer Kabushiki Kaisha |
Loudspeaker
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Eletro-Acustica S.A. |
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1991-04-04 |
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Perrson John K |
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1994-02-14 |
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1994-09-02 |
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Velodyne Acoustics, Inc. |
Loudspeaker
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1998-12-22 |
Boston Acoustics, Inc. |
Loudspeaker
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1998-04-14 |
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2000-08-01 |
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Syntronic Instruments, Inc. |
Loudspeaker
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2003-02-04 |
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Modular horn loudspeaker
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2010-09-29 |
スター精密株式会社 |
スピーカ
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2002-10-04 |
Star Micronics Co Ltd |
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2002-06-03 |
2003-10-14 |
Jl Audio, Inc. |
Loudspeaker
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2003-04-21 |
2004-04-20 |
Sony Corporation |
Speaker
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USD504416S1
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2003-11-19 |
2005-04-26 |
Roadmaster (Usa) Corp. |
Speaker
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USD529899S1
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2004-09-24 |
2006-10-10 |
Matsushita Electric Industrial Co., Ltd. |
Speaker for an automobile
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2004-12-28 |
2006-05-30 |
Schafernak Randolph J |
Speaker
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2005-02-17 |
2010-07-07 |
パイオニア株式会社 |
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2010-12-08 |
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2006-06-29 |
2008-01-29 |
Pioneer Kabushiki Kaisha |
Loudspeaker
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2010-04-30 |
2011-11-02 |
Gp Acoustics |
Stiffened loudspeaker diaphragm
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CN101938681A
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2010-09-10 |
2011-01-05 |
鸿富锦精密工业（深圳）有限公司 |
具有音腔的扬声器
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2011-03-01 |
2012-10-11 |
Panasonic Corp |
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2012-10-15 |
2014-05-20 |
Yoon Tone |
Sound wave guide system for loudspeaker
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2015-02-24 |
Samsung Electronics Co., Ltd. |
Audio speaker
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2014-10-09 |
2018-09-25 |
Panasonic Intellectual Property Management Co., Ltd. |
Loudspeaker and loudspeaker structure
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2017-05-01 |
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2018-09-18 |
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