DN

Dae Suk Na

SH Sti Holdings: 1 patents #23 of 53Top 45%
Overall (All Time): #3,359,349 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7391225 Carbon nanotube sensor and apparatus and method for detecting change time of engine oil for automobile using the same Min Ho Lee 2008-06-24