SK

See Hyung Kim

EC Ehwa Diamond Ind. Co.: 3 patents #1 of 7Top 15%
EC Ehwa Diamond Industrial Co.: 1 patents #1 of 2Top 50%
Overall (2002): #12,338 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D466139 Core drill Joon Ho Chang 2002-11-26
D460767 Saw blade Jang Hyuk Ahn 2002-07-23
D459374 Saw blade — 2002-06-25
D456425 Segment tip for saw blade — 2002-04-30