Zhijing Wan

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Fecal specimen collector
- Patent number 8,556,826
- Issue date Oct 15, 2013
- John Wan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and device for the detection of occult blood
- Patent number 8,349,573
- Issue date Jan 8, 2013
- John Wan
- G01 - MEASURING TESTING
Information Patent Grant
Methods and device for the detection of occult blood
- Patent number 8,053,203
- Issue date Nov 8, 2011
- John Wan
- G01 - MEASURING TESTING
Information Patent Grant
Collection and assay device for biological fluid
- Patent number 7,927,562
- Issue date Apr 19, 2011
- W.H.P.M. Inc.
- John Wan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND DEVICE FOR THE DETECTION OF OCCULT BLOOD
- Publication number 20110318228
- Publication date Dec 29, 2011
- John Wan
- G01 - MEASURING TESTING
Information Patent Application
COLLECTION AND ASSAY DEVICE FOR BIOLOGICAL FLUID
- Publication number 20090155124
- Publication date Jun 18, 2009
- John Wan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Methods and device for the detection of occult blood
- Publication number 20090111194
- Publication date Apr 30, 2009
- John Wan
- G01 - MEASURING TESTING
Information Patent Application
Fecal Specimen Collector
- Publication number 20090005705
- Publication date Jan 1, 2009
- John Wan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE