GENEVA, Oct. 5 -- KIM, Sang Jin ((Yeowol-dong) 311 dong 1501 ho 37 Gilju-ro 573beon-gil Ojeong-guBucheon-siGyeonggi-do 14479), 김상진 (경기도부천시오정구길주로573번길 37311동 1501호(여월동)), KIM, Seok Hwan ((Yeowol-dong) 309 dong 1303 ho 37 Gilju-ro 573beon-gil Ojeong-guBucheon-siGyeonggi-do 14479), 김석환 (경기도부천시오정구길주로573번길 37309동 1303호(여월동)) filed a patent application (PCT/KR2025/003681) for "AIR HAMMER" on Mar 21, 2025. With publication no. WO/2025/206663, th...