Face mask with supporting strip | Patent Number 11969611

US 11969611 B2
Application Number16950939
Publication NumberUS 20210162243 A1
Pendency3 years, 5 months, 14 days
Filled DateNov 18, 2020
Priority DateNov 18, 2020
Publication DateJun 3, 2021
Expiration DateNov 17, 2040
Inventor/ApplicantsChin-Lung YANG
Chin-Lung Yang
ExaminesLEE, MICHELLE J
Art Unit3786
Technology Center3700
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