Derniers inventions, produits et services
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2019
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Invention
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Language learning systems and methods.
A systems, methods, and products for language learning so... |
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Invention
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Systems and methods for calculating text difficulty.
Disclosed are systems, methods, and product... |
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2018
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Invention
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Systems and methods for generating distractors in language learning.
Disclosed are systems, meth... |
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2015
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P/S
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Education services, namely, providing on-line language proficiency assessments in the field of En... |
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2014
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Invention
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Language learning systems and methods. A systems, methods, and products for language learning sof... |
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2011
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P/S
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Providing an Internet news portal featuring links to news stories and articles in the field of cu... |
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P/S
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Computer application software for mobile phones, tablets and personal computers, namely, software... |
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2010
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P/S
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language instruction |
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