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Push-in earplug
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Patent number 10,966,867
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Issue date Apr 6, 2021
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3M Innovative Properties Company
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James P. Endle
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Push-in earplug
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Patent number 10,441,471
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Issue date Oct 15, 2019
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3M Innovative Properties Company
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James P. Endle
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Push-in earplug
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Patent number 9,737,439
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Issue date Aug 22, 2017
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3M Innovative Properties Company
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James P. Endle
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method of making an earplug
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Patent number 8,968,613
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Issue date Mar 3, 2015
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3M Innovative Properties Company
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James P. Endle
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Foamable article
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Patent number 8,679,607
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Issue date Mar 25, 2014
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3M Innovative Properties Company
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Jeffrey L. Hamer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Earplug
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Patent number 7,475,686
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Issue date Jan 13, 2009
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Cabot Safety Intermediate Corporation
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Richard E. Knauer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Earplug
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Patent number D466995
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Issue date Dec 10, 2002
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Cabot Safety Intermediate Corporation
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Richard Knauer
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D24 - Medical and laboratory equipment
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Molding method for scrubbing sponge
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Patent number 5,217,663
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Issue date Jun 8, 1993
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Cabot Safety Corporation
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Alan Seville
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Scrubbing sponge
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Patent number 4,969,226
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Issue date Nov 13, 1990
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Cabot Corporation
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Alan Seville
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL