King-Sung Yu

Overall (All Time): #1,014,969 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
8578556	Auto-return apparatus for glass door	—	2013-11-12
8578557	Patch fitting with closing function	—	2013-11-12
8528169	Patch fitting with auto-return function	—	2013-09-10
6009597	Buffer device of door	—	2000-01-04
5265306	Automatic door closing device	—	1993-11-30