Tzun-Zong Wu

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6089727	Illuminating umbrella having reliable connecting wires	—	2000-07-18
6006771	Safety umbrella runner	—	1999-12-28
5911233	Safety umbrella runner	—	1999-06-15
5787912	Quickly foldable rib means of automatic umbrella	—	1998-08-04