Two Michigan inventors received a patent in 1986 for a face mask with beaded bars that make the mask hard to grasp.
Today's Tidbit... Beads to Make Face Masks Safer
Today's Tidbit... Beads to Make Face Masks…
Today's Tidbit... Beads to Make Face Masks Safer
Two Michigan inventors received a patent in 1986 for a face mask with beaded bars that make the mask hard to grasp.