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Patent applications and USPTO patent grants for Liu; Te San.The latest application filed is for "system and method for an automatic door operator having a wireless safety sensor".
Patent | Date |
---|---|
Motor mount assembly App 20120110911 - Heng; Liu ;   et al. | 2012-05-10 |
System and method for an automatic door operator having a wireless safety sensor App 20120112875 - Heng; Liu ;   et al. | 2012-05-10 |
Tobacco filter means superimposedly rechargeably filled with disposable filter units Grant 6,745,777 - Liu June 8, 2 | 2004-06-08 |
Tobacco filter means superimposedly rechargeably filled with disposable filter units App 20030079755 - Liu, Te-San | 2003-05-01 |
Instantly assembled and mixed beverage vessel Grant 5,402,907 - Liu April 4, 1 | 1995-04-04 |
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