ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,376,650, issued on Aug. 5, was assigned to Ultimate Warmth LLC (West Dennis, Mass.).
"Self-warming footwear" was invented by Deborah Eden Wolfe (West Dennis, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toe cap structured and arranged to accommodate toes and a portion of an instep of a wearer and to passively warm the toes and portion of the instep, the toe cap including a first portion having plural layers of a first material (e.g., Mylar(R), biaxially-oriented polyethylene terephthalate (BoPET), and combinations thereof) and a second portion having plural layers of the first material and fixedly attached to the first portion, such that an ope...