CH394489A
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1961-04-01 |
1965-06-30 |
Istituto Micropolveri Turco S |
Process for preparing a micropowder with drug action
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FR1407659A
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*
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1963-06-25 |
1965-08-06 |
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Perfected egg shapes
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US4055233A
(en)
*
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1975-12-22 |
1977-10-25 |
Electronic Engineering Co. Of California |
Ear coupler
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IE47808B1
(en)
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1979-02-01 |
1984-06-27 |
Trinity College Dublin |
Nmr test method for measuring the homogeneity of dispersions of carbon black in rubber compositions
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GB2045159B
(en)
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1979-03-28 |
1983-05-11 |
Ercol Furniture Ltd |
Method of bending wood
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USD307635S
(en)
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1987-11-05 |
1990-05-01 |
Cabot Corporation |
Earplug or similar article
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USD307325S
(en)
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1987-11-05 |
1990-04-17 |
Cabot Corporation |
Earplug or similar article
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USD307636S
(en)
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1987-11-05 |
1990-05-01 |
Cabot Corporation |
Earplug or similar article
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USD330761S
(en)
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1990-09-21 |
1992-11-03 |
Cabot Safety Corporation |
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USD371193S
(en)
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1994-05-16 |
1996-06-25 |
Cabot Safety Intermediate Corporation |
Hearing protective earplug
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US5609164A
(en)
*
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1995-10-23 |
1997-03-11 |
Minnesota Mining And Manufacturing Company |
Method of forming an earplug containment device
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(en)
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1996-08-15 |
1998-12-15 |
Cabot Safety Intermediate Corporation |
Hearing protective device
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USD444141S1
(en)
*
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1999-02-25 |
2001-06-26 |
Koss Corporation |
Stereophone ear plug housing
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(en)
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2001-11-28 |
2002-12-10 |
Cabot Safety Intermediate Corporation |
Earplug
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(en)
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2002-01-18 |
2011-12-27 |
3M Innovative Properties Company |
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2002-01-25 |
2012-09-04 |
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hearing protection device.
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(en)
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2002-03-14 |
2003-03-11 |
Cabot Safety Intermediate Co. |
Earplug
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USD481118S1
(en)
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2002-04-11 |
2003-10-21 |
Cabot Safety Intermediate Corporation |
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(en)
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2002-09-06 |
2003-08-19 |
Cabot Safety Intermediate Corporation |
Earplug
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(en)
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2004-04-23 |
2006-07-11 |
Cabot Safety Intermediate Corporation |
Hearing protection device
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(en)
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2004-06-11 |
2008-12-16 |
Cabot Safety Intermediate Corporation |
High sound attenuating hearing protection device
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(en)
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2004-10-21 |
2007-01-30 |
Moldex-Metric, Inc. |
Earplug
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(en)
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2005-01-05 |
2006-07-11 |
Neesim Health, Llc |
Ear piece
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DE202005009132U1
(en)
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2005-06-10 |
2005-08-25 |
Uvex Arbeitsschutz Gmbh |
Ear plug for inserting into the ear passage comprises a foam material with a recess with a cross-like configuration
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USD595837S1
(en)
*
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2006-12-14 |
2009-07-07 |
Mckeon Products, Inc. |
Ear plug
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(en)
*
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2006-12-14 |
2008-12-30 |
Mckeon Products, Inc. |
Ear plug
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DE102007042740A1
(en)
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2007-09-07 |
2009-03-12 |
Uvex Arbeitsschutz Gmbh |
Earplugs
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USD599907S1
(en)
*
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2007-11-08 |
2009-09-08 |
Sperian Hearing Protection, Llc |
In-ear coupling tip
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(en)
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2008-08-22 |
2012-02-14 |
Kimberly-Clark Worldwide, Inc. |
Self-conforming sound attenuation earplug
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(en)
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2008-09-22 |
2009-12-22 |
Mckeon Products, Inc. |
Earplug
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WO2010141741A2
(en)
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2009-06-03 |
2010-12-09 |
Sperian Hearing Protection, Llc. |
Non-roll foam eartip
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(en)
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2009-10-22 |
2011-04-19 |
Sperian Hearing Protection, Llc |
Earplug
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(en)
*
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2012-05-25 |
2014-01-21 |
Etymotic Research, Inc. |
Conformable eartip
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*
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2013-02-15 |
2017-01-24 |
3M Innovative Properties Company |
Earplug with tip cavity and methods of manufacturing the same
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*
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2013-05-03 |
2015-01-27 |
3M Innovative Properties Company |
Ear tip
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