David Groll,Ronnie E. Mahofski,Nadine Scandinaro,Eric S. Nachreiner
申请号：
US13844706
公开号：
US09981104B1
申请日:
2013.03.15
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A full face mask made of cloth having a nasal portion, an oral portion and transition portions is disclosed. The nasal and oral portions are made of a cloth that is impermeable to air and have nasal and oral interfaces on them to facilitate a seal with a users face. The transition portions have easy removal clips for the lower headgear straps and sealing assistance members for better sealing.
