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Inventor
JOU WILLIAM
US
2 patents
Patents
2 patents
US6981502B2
Jan 3, 2006
Respiratory mask having intraoral mouthpiece with large sealing area and multiple sealing configuration
NUMASK INC
59 citations
90
US7870860B2
Jan 18, 2011
Respiratory mask having intraoral mouthpiece with large sealing area and multiple sealing configuration
NUMASK INC
38 citations
86