Siu C. C. Yeung

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San Mateo, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Elongated membrane flow-through diagnostic device and method
- Patent number 5,571,667
- Issue date Nov 5, 1996
- Albert E. Chu
- G01 - MEASURING TESTING
Information Patent Grant
Directed flow diagnostic device and method
- Patent number 5,006,464
- Issue date Apr 9, 1991
- E-Y Laboratories, Inc.
- Albert E. Chu
- G01 - MEASURING TESTING