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Duck Hee Ryu — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Goyang-si, KR: #698 of 1,118 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Duck Hee Ryu has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2009. Duck Hee Ryu ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Duck Hee Ryu in Goyang-si, KR.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7559251 Apparatus for forming thermal fatigue cracks Bo-Young Lee, Jae Seong Kim, Yong-Geol Kim, Dae Hwan An 2009-07-14

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