|
USD242743S
(en)
*
|
1975-08-28 |
1976-12-14 |
Charles Leight |
Ear plug
|
|
US4053051A
(en)
|
1976-09-10 |
1977-10-11 |
Mine Safety Appliances Company |
Earplug package and method of making it
|
|
US4434794A
(en)
|
1981-06-15 |
1984-03-06 |
Leight Howard S |
Disposable ear plug
|
|
US4774938A
(en)
|
1987-04-09 |
1988-10-04 |
Howard S. Leight & Associates, Inc. |
Slow recovery earplug with largely impenetrable surface
|
|
USD307635S
(en)
*
|
1987-11-05 |
1990-05-01 |
Cabot Corporation |
Earplug or similar article
|
|
US5044463A
(en)
*
|
1989-11-30 |
1991-09-03 |
Cabot Corporation |
Molded foam earplug and method for making same
|
|
ATE128345T1
(en)
|
1990-06-25 |
1995-10-15 |
Cabot Safety Corp |
EARPLUGS FOR HEARING PROTECTION.
|
|
US5188123A
(en)
|
1990-08-20 |
1993-02-23 |
Cabot Safety Corporation |
Hearing protective earplug having alternative modes of insertion
|
|
US5203352A
(en)
|
1990-10-16 |
1993-04-20 |
Cabot Safety Corporation |
Polymeric foam earplug
|
|
US5792998A
(en)
|
1993-04-19 |
1998-08-11 |
Cabot Safety Intermediate Corporation |
Acoustical hearing protective devices utilizing dynamically stiff foam and methods of producing same
|
|
USD375551S
(en)
|
1994-04-15 |
1996-11-12 |
Cabot Safety Intermediate Corporation |
Hearing protective earplug
|
|
USD375550S
(en)
|
1994-04-15 |
1996-11-12 |
Cabot Safety Intermediate Corporation |
Hearing protective earplug
|
|
US5573015A
(en)
|
1995-03-28 |
1996-11-12 |
Williams; Colin D. |
Extruded ear plug
|
|
US5668354A
(en)
*
|
1995-11-02 |
1997-09-16 |
Cabot Safety Intermediate Corporation |
Earplug assembly and eyewear assembly
|
|
USD405173S
(en)
|
1996-06-14 |
1999-02-02 |
Cabot Safety Intermediate Corporation |
Earplug
|
|
USD402752S
(en)
|
1996-08-15 |
1998-12-15 |
Cabot Safety Intermediate Corporation |
Hearing protective device
|
|
US5799658A
(en)
|
1996-08-15 |
1998-09-01 |
Cabot Safety Intermediate Corporation |
Hearing protective device comprising a foam and a porous component and method of manufacture thereof
|
|
USD403062S
(en)
|
1996-10-21 |
1998-12-22 |
Moldex-Metric, Inc |
Headband for ear protection
|
|
SE513688C2
(en)
|
1996-12-12 |
2000-10-23 |
Dalloz Safety Ab |
Earplug, method of manufacturing an integrated earplug and use of multi-material injection molding to provide such an earplug
|
|
US6006857A
(en)
|
1998-05-08 |
1999-12-28 |
Howard Leight Industries |
Earplug with insertion stem
|
|
USD413379S
(en)
*
|
1998-05-08 |
1999-08-31 |
Howard Leight Industries |
Combined earplug and insertion stem
|
|
US6425398B1
(en)
|
1998-06-11 |
2002-07-30 |
Eallan Hirshfeld |
Earplug
|
|
USD427304S
(en)
|
1998-10-08 |
2000-06-27 |
Moldex-Metric, Inc |
Earplug
|
|
US5957136A
(en)
|
1998-10-08 |
1999-09-28 |
Moldex-Metric, Inc. |
Earplug
|
|
USD409743S
(en)
|
1998-10-28 |
1999-05-11 |
Cabot Safety Intermediate Corporation |
Hearing protection device
|
|
ATE314833T1
(en)
*
|
1999-03-16 |
2006-02-15 |
Cabot Safety Intermediate Corp |
HEARING PROTECTION DEVICE
|
|
US6695093B1
(en)
|
2000-01-13 |
2004-02-24 |
Aearo Company |
Earplug
|
|
WO2003053295A1
(en)
|
2000-10-13 |
2003-07-03 |
Cabot Safety Intermediate Corporation |
Improved flanged earplug
|
|
US20020124851A1
(en)
|
2000-11-28 |
2002-09-12 |
Richard Knauer |
Hearing protective device and method of making same
|
|
US6659103B2
(en)
|
2001-08-10 |
2003-12-09 |
Bacou-Dalloz Usa Safety, Inc. |
Earplug with stiffener
|
|
WO2003013390A2
(en)
|
2001-08-10 |
2003-02-20 |
Bacou-Dalloz Usa Safety, Inc. |
Earplug with stiffener
|
|
US20030051939A1
(en)
|
2001-09-20 |
2003-03-20 |
Werblud Marc S. |
Earpiece, for use on stethoscope, having a harder, load-bearing portion and a softer, acoustic sealing portion
|
|
USD472627S1
(en)
|
2001-10-16 |
2003-04-01 |
Cabot Safety Intermediate Corporation |
Earplug
|
|
USD466995S1
(en)
|
2001-11-28 |
2002-12-10 |
Cabot Safety Intermediate Corporation |
Earplug
|
|
USD651302S1
(en)
|
2002-01-18 |
2011-12-27 |
3M Innovative Properties Company |
Earplug
|
|
WO2003063744A2
(en)
|
2002-01-25 |
2003-08-07 |
Cabot Safety Intermediate Corporation |
Hearing protection device
|
|
USD471625S1
(en)
*
|
2002-03-14 |
2003-03-11 |
Cabot Safety Intermediate Co. |
Earplug
|
|
USD481118S1
(en)
*
|
2002-04-11 |
2003-10-21 |
Cabot Safety Intermediate Corporation |
Earplug
|
|
USD478658S1
(en)
|
2002-09-06 |
2003-08-19 |
Cabot Safety Intermediate Corporation |
Earplug
|
|
US20040045558A1
(en)
|
2002-09-06 |
2004-03-11 |
Duncan Taylor |
Earplug and method of manufacturing an earplug
|
|
US7096872B2
(en)
|
2002-09-27 |
2006-08-29 |
Ligon Sr James T |
Ear plugs and method of forming same
|
|
US7305992B2
(en)
|
2003-02-25 |
2007-12-11 |
Howard Leight Industries, Llc |
Conforming earplug
|
|
USD492768S1
(en)
|
2003-06-05 |
2004-07-06 |
Cabot Safety Intermediate Corporation |
Earplug
|
|
USD492767S1
(en)
|
2003-06-05 |
2004-07-06 |
Cabot Safety Intermediate Corporation |
Earplug
|
|
USD496722S1
(en)
*
|
2003-08-01 |
2004-09-28 |
Cabot Safety Intermediate Corporation |
Stemmed earplug
|
|
US6981504B2
(en)
|
2003-08-21 |
2006-01-03 |
Bacou-Dalloz Usa Safety, Inc. |
Core stiffened earplug
|
|
EP1680041A4
(en)
|
2003-09-12 |
2007-05-23 |
Howard Leight Ind Llc |
Earplug with bendable stiffener
|
|
US7697706B2
(en)
|
2003-11-03 |
2010-04-13 |
3M Innovative Properties Company |
Low sound attenuating hearing protection device
|
|
USD560792S1
(en)
|
2004-02-20 |
2008-01-29 |
Cabot Safety Intermediate Corporation |
Flanged earplug
|
|
USD529169S1
(en)
|
2004-02-26 |
2006-09-26 |
Moldex-Metric, Inc. |
Earplug
|
|
USD512141S1
(en)
|
2004-03-04 |
2005-11-29 |
Moldex-Metric, Inc. |
Earplug
|
|
USD524937S1
(en)
*
|
2004-04-23 |
2006-07-11 |
Cabot Safety Intermediate Corporation |
Hearing protection device
|
|
US7464786B2
(en)
|
2004-06-11 |
2008-12-16 |
Cabot Safety Intermediate Corporation |
High sound attenuating hearing protection device
|
|
US7475686B2
(en)
|
2004-10-15 |
2009-01-13 |
Cabot Safety Intermediate Corporation |
Earplug
|
|
USD536089S1
(en)
|
2004-10-21 |
2007-01-30 |
Moldex-Metric, Inc. |
Earplug
|
|
US7107993B2
(en)
|
2004-11-12 |
2006-09-19 |
Moldex-Metric, Inc. |
Earplug
|
|
AU2006206471B9
(en)
|
2005-01-21 |
2011-08-18 |
3M Innovative Properties Company |
Hearing protection device with damped material
|
|
WO2006084172A1
(en)
*
|
2005-02-04 |
2006-08-10 |
Hearing Components, Inc. |
User disposable member for use within the ear canal and methods for manufacturing the same
|
|
USD539415S1
(en)
|
2005-05-23 |
2007-03-27 |
Howard Leight Industries, Llc |
Flange earplug
|
|
DE202005009132U1
(en)
*
|
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
|
|
US7510046B2
(en)
|
2005-10-10 |
2009-03-31 |
Cabot Safety Intermediate Corporation |
Low attenuating push-in earplug with integral handle
|
|
USD538924S1
(en)
|
2005-10-11 |
2007-03-20 |
Cabot Safety Intermediate Corporation |
Earplug with integral handle
|
|
US7743771B2
(en)
|
2005-11-09 |
2010-06-29 |
3M Innovative Properties Company |
Earplug with articulating stem and locking features
|
|
US7210484B1
(en)
|
2006-03-03 |
2007-05-01 |
Howard Leight Industries, Llc |
Baffled earplug
|
|
US7967015B2
(en)
|
2006-03-21 |
2011-06-28 |
Sperian Hearing Protection, Llc |
High resilience flanged earplug
|
|
USD577812S1
(en)
|
2007-06-14 |
2008-09-30 |
Cabot Safety Intermediate Corporation |
Earplug stem
|