ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,938, issued on March 25.
"Headrest device for vehicle" was invented by Tae Hee Won (Uiwang-Si, South Korea), Jun Ho Lee (Yongin-Si, South Korea), Hae Il Jeong (Incheon, South Korea) and Hyun Kim (Hwaseong-Si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a headrest device for a vehicle. The headrest device may include a stationary headrest portion coupled to a seatback of the vehicle and formed to extend upwards. The stationary headrest portion may be located at a rear of a head of an occupant. The headrest device may include a movable headrest portion coupled to the stationary headrest portion so as to be slidable in a ve...