-
Push-to-fit earplug with tip cavity
-
Patent number 11,304,851
-
Issue date Apr 19, 2022
-
3M Innovative Properties Company
-
Robert C. Coffin
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
-
Push-in earplug
-
Patent number 10,966,867
-
Issue date Apr 6, 2021
-
3M Innovative Properties Company
-
James P. Endle
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
-
Push-in earplug
-
Patent number 10,441,471
-
Issue date Oct 15, 2019
-
3M Innovative Properties Company
-
James P. Endle
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
-
-
Earplug
-
Patent number D798434
-
Issue date Sep 26, 2017
-
3M Innovative Properties Company
-
Jeffrey L. Hamer
-
D24 - Medical and laboratory equipment
-
Earplug
-
Patent number D798435
-
Issue date Sep 26, 2017
-
3M Innovative Properties Company
-
Jeffrey L. Hamer
-
D24 - Medical and laboratory equipment
-
Push-in earplug
-
Patent number 9,737,439
-
Issue date Aug 22, 2017
-
3M Innovative Properties Company
-
James P. Endle
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
-
Earplug tip
-
Patent number D759802
-
Issue date Jun 21, 2016
-
3M Innovative Properties Company
-
Jeffrey L. Hamer
-
D24 - Medical and laboratory equipment
-
Earplug tip
-
Patent number D757925
-
Issue date May 31, 2016
-
3M Innovative Properties Company
-
Jeffrey L. Hamer
-
D24 - Medical and laboratory equipment
-
Method of making an earplug
-
Patent number 8,968,613
-
Issue date Mar 3, 2015
-
3M Innovative Properties Company
-
James P. Endle
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
Earplug
-
Patent number D717937
-
Issue date Nov 18, 2014
-
3M Innovative Properties Company
-
Jeffrey L. Hamer
-
D24 - Medical and laboratory equipment
-
Foamable article
-
Patent number 8,679,607
-
Issue date Mar 25, 2014
-
3M Innovative Properties Company
-
Jeffrey L. Hamer
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-