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1921-11-01 |
C. Brown William |
Valve grinder
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CA214012A
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1921-11-01 |
Thomas Bluff John |
Thermometer holder for automobile radiators
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CA214014A
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1921-11-01 |
Branden Harry |
Grinding apparatus
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1992-12-08 |
1994-12-06 |
Hello Direct |
Method of making a telephone headset
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1992-12-22 |
1994-11-22 |
Hong Jin Crown America, Inc. |
Helmet mounted transceiver
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1994-06-20 |
1997-07-01 |
Microtalk Technologies, Inc. |
Retractable earpiece for a compact wireless telephone
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1998-07-02 |
2000-11-21 |
Peltor Ab |
Ear protection
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1998-07-03 |
2001-01-16 |
Gn Netcom A/S |
Headset
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1999-07-27 |
2008-12-10 |
ソニー株式会社 |
Microphone
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2000-06-20 |
2002-03-28 |
Parker Ian D. |
Multilayer structures as stable hole-injecting electrodes for use in high efficiency organic electronic devices
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2001-02-12 |
2002-11-12 |
Peltor Ab |
Ear cap for hearing protection
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USD459337S1
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2001-02-28 |
2002-06-25 |
Sony Corporation |
Headphone and radio receiver
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2004-06-23 |
2008-06-24 |
Vocollect, Inc. |
Method and system for an interchangeable headset module resistant to moisture infiltration
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SE528519C2
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2005-04-29 |
2006-12-05 |
Peltor Ab |
The ear cup
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USD544650S1
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2005-08-23 |
2007-06-12 |
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Protective ear cup
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2007-12-10 |
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Illinois Tool Works Inc. |
Battery for a combustion tool
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2008-09-11 |
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Game battery pack
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2010-06-29 |
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Thales Canada Inc |
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Power tool battery pack
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KR101076050B1
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2010-09-29 |
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Helmet for bluetooth headset with function of intercom
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2010-12-16 |
2012-01-03 |
Direct Sound Headphones, LLC |
Hearing protection headphones
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2011-11-16 |
2015-03-24 |
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Staging system for battery on a portable tool
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2012-01-17 |
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2012-01-24 |
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Electric vehicle charger
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2013-03-15 |
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2013-09-19 |
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Head harness for an earmuff
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2013-11-19 |
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Hearing protector
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2013-12-13 |
2014-09-09 |
Techtronic Outdoor Products Technology Limited |
Battery pack
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2014-07-07 |
2015-10-27 |
New Audio LLC |
Microphone accessory
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2014-07-22 |
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2015-06-23 |
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3M Innovative Properties Company |
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Kingston Digital, Inc. |
Headset
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2017-10-06 |
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Honeywell International Inc. |
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2017-12-29 |
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2018-05-18 |
2019-10-29 |
Gentex Corporation |
Headset
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2018-11-26 |
2021-06-08 |
Vista Outdoor Operations, LLC |
Ear muffs for shooting sports
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2019-01-31 |
2021-03-16 |
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2019-09-20 |
2021-02-02 |
Apple Inc. |
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2019-10-18 |
2022-11-01 |
Jsp Limited |
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2020-01-23 |
2021-10-12 |
Stephen John Rois |
Audio headphones
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2020-04-13 |
2020-07-28 |
Fanguang Zeng |
Ear pad
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EP4009659B1
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2020-12-01 |
2024-09-04 |
Andreas Stihl AG & Co. KG |
Hearing protection headset
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2021-04-30 |
2023-03-21 |
Logitech Europe S.A. |
Microphone for a headset
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