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Patent applications and USPTO patent grants for Yim; Mau Shin Frank.The latest application filed is for "digitalized double-excitation uninterrupted switching power supply".
Patent | Date |
---|---|
Digitalized double-excitation uninterrupted switching power supply Grant 10,096,435 - Yim October 9, 2 | 2018-10-09 |
Digitalized Double-excitation Uninterrupted Switching Power Supply App 20170317524 - YIM; Mau Shin Frank | 2017-11-02 |
Uninterruptible switching power supply device and method for uninterruptibly switching voltage Grant 6,917,125 - Yim July 12, 2 | 2005-07-12 |
Uninterruptible switching power supply device and method for uninterruptibly switching voltage App 20040017110 - Yim, Mau Shin Frank | 2004-01-29 |
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