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Patent applications and USPTO patent grants for Niu; Weihong.The latest application filed is for "pump capable of dispensing both a large volume and a small volume of colorant".
Patent | Date |
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Pump capable of dispensing both a large volume and a small volume of colorant Grant 10,533,543 - Huang , et al. Ja | 2020-01-14 |
Control valve for pouring color paste in both large amount and small amount Grant 10,221,839 - Huang , et al. | 2019-03-05 |
Control Valve For Pouring Color Paste In Both Large Amount And Small Amount App 20170349426 - HUANG; Song ;   et al. | 2017-12-07 |
Pump Capable Of Dispensing Both A Large Volume And A Small Volume Of Colorant App 20170350377 - HUANG; Song ;   et al. | 2017-12-07 |
Method, System Or Apparatus For Adjusting A Brightness Level Associated With At Least A Portion Of A Backlight Of A Display Device App 20110069078 - Zhang; Wei ;   et al. | 2011-03-24 |
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