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Patent applications and USPTO patent grants for Liang; Edwin Choo Yong.The latest application filed is for "flame detector coverage verification system".
Patent | Date |
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Flame detector coverage verification system for flame detectors and having a hub structure for temporary attachment to the detectors Grant 10,557,752 - Liang , et al. Feb | 2020-02-11 |
Flame detector coverage verification system having a declination indicator to determine and visually display the tilt angle of a center line of the flame detector Grant 9,778,100 - Liang , et al. October 3, 2 | 2017-10-03 |
Flame Detector Coverage Verification System App 20170205282 - Liang; Edwin Choo Yong ;   et al. | 2017-07-20 |
Flame Detector Coverage Verification System App 20170205278 - Liang; Edwin Choo Yong ;   et al. | 2017-07-20 |
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