Ching-Chen Wang — 5 Patents at Zak Designs

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
7231850	Manual wine bottle opener	—	2007-06-19
D477493	Drinking straw attachment	—	2003-07-22
D439472	Cup	—	2001-03-27
5967307	Combination of a decorative member and a container	—	1999-10-19
5337918	Water bottle with a hidden suction straw	—	1994-08-16