- “Resettable gears and manufacturing method therefor”
Name of Country in which applied: USA
Persons Registered: E.S. Park, G.H. Yoo, K.N. Yoon, J.Y. Kim, W.H. Ryu
Application Number (date): USA, US 17/486,998 (Sep. 28 2021)
Registration Number (date): US 11,873,548 B2, (Jan. 16 2024)