Sejong
South Korea
3
2018-07-12
The entities that hold a legal rights for patent applications filed by inventor Lee Jong Chan:
Jong Chan Lee from Sejong, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Drilling oil and method of preparing the same
#2 | 2016-03-17Drilling oil and method of preparing the same
#3 | 2016-02-11Method for preparing high-quality lubricant from biomass-derived fatty acid
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