ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,705, issued on April 7, was assigned to Hyundai Motor Co.; (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Injection mold apparatus for pressure vessel" was invented by Ha Yong Lee (Whasung-Si, South Korea), Ju Il Kim (Whasung-Si, South Korea), Se Young Kim (Whasung-Si, South Korea), Eui Hwan Son (Whasung-Si, South Korea), Min Woo Chu (Whasung-Si, South Korea), Ji Won Choi (Whasung-Si, South Korea), Su Jeong Kang (Whasung-Si, South Korea), Kyuyoung Lee (Whasung-Si, South Korea), Young Rok Yoon (Whasung-Si, South Korea), Keon Chul Lee (Whasung-Si, South Korea), Sukjoo Hong (Whasung-Si, South Korea) and Tae-Oh Kwon (Whasung-Si, South Korea).

According to the abstract* rel...