Walley Chao

KC K&W Tools Co.: 2 patents #2 of 4Top 50%

UN Unknown: 1 patents #29,356 of 83,584Top 40%

Overall (All Time): #867,068 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
8079148	Folding hand saw	—	2011-12-20
8079787	Hole saw	—	2011-12-20
7644501	Collapsible handsaw frame	—	2010-01-12
7530770	Door lockset mounting tool	—	2009-05-12
7384222	Hole saw	—	2008-06-10
6357973	Connection device of boring saw	—	2002-03-19