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Patent applications and USPTO patent grants for NDUKA; Charles.The latest application filed is for "method and apparatus for measuring biological electrical activity".
Patent | Date |
---|---|
Method And Apparatus For Measuring Biological Electrical Activity App 20220167900 - NDUKA; Charles ;   et al. | 2022-06-02 |
Optical Expression Detection App 20210271861 - NDUKA; Charles ;   et al. | 2021-09-02 |
Optical expression detection Grant 11,003,899 - Nduka , et al. May 11, 2 | 2021-05-11 |
Biometric System App 20200065569 - NDUKA; Charles ;   et al. | 2020-02-27 |
Optical Expression Detection App 20200034608 - NDUKA; Charles ;   et al. | 2020-01-30 |
Biofeedback System App 20190380644 - NDUKA; Charles | 2019-12-19 |
Biofeedback system Grant 10,398,373 - Nduka Sep | 2019-09-03 |
Biofeedback System App 20150157255 - Nduka; Charles | 2015-06-11 |
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