Sheng-Hu Hung

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6328539	Hydraulic device powered by wave	—	2001-12-11
5157953	Push and pull type cylinder lock	—	1992-10-27
5016317	Lightly-operating automatic door closer with double cylinders	—	1991-05-21
4455847	Locking device of a combination lock	—	1984-06-26