Elizabeth Catherine Crawford

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Somerville, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
System for performing assessment without testing
- Patent number 9,299,266
- Issue date Mar 29, 2016
- LEXIA LEARNING SYSTEMS LLC
- Elizabeth Catherine Crawford
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR PERFORMING ASSESSMENT WITHOUT TESTING
- Publication number 20120077173
- Publication date Mar 29, 2012
- Elizabeth Catherine Crawford
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS