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Chan-Ki Chung

Overall (2020): #186,692 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10821569 Continuous compression wire spring polishing apparatus configured to easily replace two parallel and opposite grindstones — 2020-11-03
10767240 Coolant spray module system for heat treated metal product — 2020-09-08