1
Cordell F Harges Jr, Bert Rivera: Heat and fire resistant respiratory filtration mask. Rothwell Figg Ernst & Kurz, May 13, 1997: US05628308 (35 worldwide citation)

A heat and fire resistant respiratory filtration mask is specially adapted for protecting firefighters in wildland/brush fire environments. The mask is fabricated of heat and fire resistant material and includes facilitated fasteners for attachment to the head and face of the user. A respiratory fil ...


2
Cordell Frank Harges Jr, Bert Rivera: Heat and fire resistant respiratory filtration mask. Rothwell Figg Ernst & Kurz P C, October 20, 1998: US05823188 (9 worldwide citation)

A heat and fire resistant respiratory filtration mask is specially adapted for protecting firefighters in wildland/brush fire environments. The mask is fabricated of heat and fire resistant material and includes facilitated fasteners for attachment to the head and face of the user. A respiratory fil ...


3
FLAME AND PARTICULATE RESISTANT KNIT ARTICLE. October 5, 2017: US20170281992-A1

An article of protective clothing comprising a durable multilayer fabric laminate formed from i) a first flame resistant knitted fabric made from yarns, the fabric having an average fabric modulus of 8 grams-force of greater; ii) a flame-resistant nonwoven fabric having a machine direction and a cro ...