Clarke Retzer

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Van Nuys, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Query parser derivation computing device and method for making a qu...
- Patent number 9,218,390
- Issue date Dec 22, 2015
- Yellowpages.com LLC
- Donghui Feng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for assigning a task to be processed by a crowdso...
- Patent number 8,794,971
- Issue date Aug 5, 2014
- Yellowpages.com LLC
- Donghui Feng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Query Parser Derivation Computing Device and Method for Making a Qu...
- Publication number 20130031113
- Publication date Jan 31, 2013
- Donghui Feng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR ASSIGNING A TASK TO BE PROCESSED BY A CROWDSO...
- Publication number 20120088220
- Publication date Apr 12, 2012
- Donghui Feng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS