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Patent applications and USPTO patent grants for Liu, Yan Min.The latest application filed is for "push-button switch with improved movable contact".
Patent | Date |
---|---|
Push-button switch with improved movable contact App 20050224330 - Liu, Yan Min ;   et al. | 2005-10-13 |
Tact switch with secured seal pad App 20040140193 - Liu, Yan Min ;   et al. | 2004-07-22 |
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