Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul Yan Shaw0
Date of Patent
November 15, 2022
0Patent Application Number
169236540
Date Filed
July 8, 2020
0Patent Citations
Patent Primary Examiner
A convertible headgear that includes an adjustable strap stored behind a sweatband that may be used to secure the headgear as a cap or mask, and modified rear crown panels that form a ventilation opening to facilitate a clear nasal passage airway when the headgear is worn as a mask.
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