ALEXANDRIA, Va., April 21 -- United States Patent no. 12,604,936, issued on April 21.
"Mask guide" was invented by Chan-Ho Lee (Gangneung-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a mask guide including a guide positioned between a mask and a chin of a user to prevent the user's chin and an inner surface of the mask from coming in contact with each other. The guide includes a first guide disposed on the inner surface of the mask. The guide includes a second guide configured to be positioned on the user's chin and configured to be moved in accordance with movement of the user's chin."
The patent was filed on Dec. 22, 2022, under Application No. 18/087,293.
*For further...