A - Human Necessities – 62 – B
Patent
A - Human Necessities
62
B
2/81
A62B 7/10 (2006.01) A41D 13/11 (2006.01) A62B 23/02 (2006.01) B01D 39/16 (2006.01) B32B 5/26 (2006.01)
Patent
CA 1293094
Abstract Resilient shape-retaining face mask comprising molded, bonded, high-basis-weight, lofty fibrous shaping layers and a fibrous filtration layer.
532944
Berg Harvey J.
Dyrud James F.
Murray Alice C.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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