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Patent applications and USPTO patent grants for Wong; Kai En.The latest application filed is for "use of rfid tags and readers to automate real time alert signals in a security system".
Patent | Date |
---|---|
Method and apparatus for an enhanced RFID tag interrogator Grant 7,734,270 - Wong June 8, 2 | 2010-06-08 |
Use of rfid tags and readers to automate real time alert signals in a security system App 20060208857 - Wong; Kai En | 2006-09-21 |
Method and apparatus for an enhanced rfid tag interrogator App 20060160515 - Wong; Kai En | 2006-07-20 |
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