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Patent applications and USPTO patent grants for Ham; Seungjin.The latest application filed is for "earth leakage breaker and arc detection apparatus attachable/detachable to/from same earth leakage breaker".
Patent | Date |
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Current sensing device Grant 11,385,265 - Ham , et al. July 12, 2 | 2022-07-12 |
Earth leakage breaker and arc detection apparatus attachable/detachable to/from same earth leakage breaker Grant 11,233,385 - Ham , et al. January 25, 2 | 2022-01-25 |
Earth Leakage Breaker And Arc Detection Apparatus Attachable/detachable To/from Same Earth Leakage Breaker App 20200373749 - HAM; Seungjin ;   et al. | 2020-11-26 |
Small Circuit Breaker App 20200266014 - LEE; Kwangwon ;   et al. | 2020-08-20 |
Circuit breaker with instant trip mechanism Grant 10,672,579 - Woo , et al. | 2020-06-02 |
Current Sensing Device App 20200116762 - HAM; Seungjin ;   et al. | 2020-04-16 |
Circuit Breaker With Instant Trip Mechanism App 20180261417 - WOO; Sanghyun ;   et al. | 2018-09-13 |
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