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Patent applications and USPTO patent grants for Chew; Heng Hai.The latest application filed is for "atraumatic ear irrigation device".
Patent | Date |
---|---|
Intravenous drip set controller with flusher Grant 8,568,370 - Chew October 29, 2 | 2013-10-29 |
Toilet seat with anococcygeal support Grant 7,971,285 - Chew July 5, 2 | 2011-07-05 |
Atraumatic Ear Irrigation Device App 20100137814 - Chew; Heng Hai | 2010-06-03 |
Intravenous drip set controller with flusher App 20090312719 - Chew; Heng Hai | 2009-12-17 |
Toilet Seat With Anococcygeal Support App 20090265843 - Chew; Heng Hai | 2009-10-29 |
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