Inventor · disambiguated record

Chang Shik Lee

Also filed as: LEE CHANG SHIK

1 granted patent·1 pending application·1 citations·filing 2017–2018

14Inventor score

Technology areasE21B G01V

Files withAAT CO LTD2

Top patents by PatentIndex Score

2 records

0158US10371850B2Neutrally buoyant magnetic sensor for borehole magnetometerAAT CO LTD·Filed 2017·Granted Aug 6, 2019·1 cites·1 claims
0230US2020040721A1Central maintenance apparatus of sensor for geophysical explorationAAT CO LTD·Filed 2018·Application pending·0 cites

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