Inventor
OU XINMIN
CN3 patents
Patents
3 patentsUS10837199B2Nov 17, 2020
Cylindrical latch bolt assembly having beveled blocking surface
HAMPTON PRODUCTS INT CORPORATION3 citations70
US10240362B2Mar 26, 2019
Keyed lockset operable by pivoting actuator about a first axis or a second axis
HAMPTON PRODUCTS INT CORPORATION5 citations69
US10619387B2Apr 14, 2020
Handle set having latch bolt actuable by pushing handle
HAMPTON PRODUCTS INT CORPORATION4 citations66