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Paul L. Yeoh
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Omaha, NE, US
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last 30 patents
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Patent Grant
Systems and methods for determining the validity of an essay examin...
Patent number
10,699,589
Issue date
Jun 30, 2020
Educational Testing Service
Beata Beigman Klebanov
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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last 30 patents
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Systems and Methods for Determining the Ecological Validity of An A...
Publication number
20150332599
Publication date
Nov 19, 2015
Educational Testing Service
Beata Beigman Klebanov
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS