ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,257, issued on Nov. 3, was assigned to L'ANGE HAIR INC. (Chatsworth, Calif.).
"Adjustable tension hairstyling tool" was invented by Amnon Hadari (Dania Beach, Fla.), John Maurer (Dania Beach, Fla.), Daniel Prindle (Dayton, Ohio) and Wei Jin Tay (Centerville, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hairstyling tool may include: a body; a first prong extending from the body in a first direction and being pivotally attached to the body portion via a hinge; a second prong extending from the body portion in the first direction; a double torsion spring comprising first and second torsion springs connected by a bridge and positioned to apply p...