-
-
-
-
Facepiece with open port
-
Patent number 8,955,514
-
Issue date Feb 17, 2015
-
MSA Technology, LLC
-
Carsten Leuschner
-
A62 - LIFE-SAVING FIRE-FIGHTING
-
-
Pressure regulator assembly
-
Patent number 8,025,053
-
Issue date Sep 27, 2011
-
Mine Safety Appliances Company
-
Christopher L. Prete
-
A62 - LIFE-SAVING FIRE-FIGHTING
-
-
-
Respirator mask sizing guide
-
Patent number 5,584,125
-
Issue date Dec 17, 1996
-
Mine Safety Appliances Company
-
Christopher L. Prete
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE