Jang Hyuk Ahn

EC Ehwa Diamond Industrial Co.: 1 patents #3 of 8Top 40%

Overall (2003): #205,758 of 273,478Top 80%

Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D481045	Tip for core drill	—	2003-10-21